summary refs log tree commit diff
path: root/src/core
diff options
context:
space:
mode:
Diffstat (limited to 'src/core')
-rw-r--r--src/core/devices/nm-device-bond.c95
-rw-r--r--src/core/devices/nm-device-private.h5
-rw-r--r--src/core/devices/nm-device-veth.c4
-rw-r--r--src/core/devices/nm-device.c96
-rw-r--r--src/core/devices/nm-device.h5
-rw-r--r--src/core/devices/ovs/nm-ovsdb.c155
-rw-r--r--src/core/dhcp/nm-dhcp-client.c175
-rw-r--r--src/core/dhcp/nm-dhcp-helper.c19
-rw-r--r--src/core/dns/nm-dns-manager.c9
-rw-r--r--src/core/nm-config-data.c57
-rw-r--r--src/core/nm-firewall-utils.c125
-rw-r--r--src/core/nm-firewall-utils.h13
-rw-r--r--src/core/nm-policy.c143
-rw-r--r--src/core/settings/plugins/ifcfg-rh/nms-ifcfg-rh-reader.c58
-rw-r--r--src/core/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-test-ipoib9
-rw-r--r--src/core/settings/plugins/ifcfg-rh/tests/test-ifcfg-rh.c74
16 files changed, 749 insertions, 293 deletions
diff --git a/src/core/devices/nm-device-bond.c b/src/core/devices/nm-device-bond.c
index 44bb316d..3e083de4 100644
--- a/src/core/devices/nm-device-bond.c
+++ b/src/core/devices/nm-device-bond.c
@@ -395,61 +395,57 @@ _platform_lnk_bond_init_from_setting(NMSettingBond *s_bond, NMPlatformLnkBond *p
 {
     const char *opt_value;
 
+#define _v_fcn(fcn, s_bond, opt) (fcn(nm_setting_bond_get_option_normalized((s_bond), (opt))))
+#define _v_u8(s_bond, opt)       _nm_setting_bond_opt_value_as_u8((s_bond), (opt))
+#define _v_u16(s_bond, opt)      _nm_setting_bond_opt_value_as_u16((s_bond), (opt))
+#define _v_u32(s_bond, opt)      _nm_setting_bond_opt_value_as_u32((s_bond), (opt))
+#define _v_intbool(s_bond, opt)  _nm_setting_bond_opt_value_as_intbool((s_bond), (opt))
+
     *props = (NMPlatformLnkBond){
-        .mode = _nm_setting_bond_mode_from_string(
-            nm_setting_bond_get_option_normalized(s_bond, NM_SETTING_BOND_OPTION_MODE)),
+        .mode      = _v_fcn(_nm_setting_bond_mode_from_string, s_bond, NM_SETTING_BOND_OPTION_MODE),
         .primary   = _setting_bond_primary_opt_as_ifindex(s_bond),
-        .miimon    = _nm_setting_bond_opt_value_as_u32(s_bond, NM_SETTING_BOND_OPTION_MIIMON),
-        .updelay   = _nm_setting_bond_opt_value_as_u32(s_bond, NM_SETTING_BOND_OPTION_UPDELAY),
-        .downdelay = _nm_setting_bond_opt_value_as_u32(s_bond, NM_SETTING_BOND_OPTION_DOWNDELAY),
-        .arp_interval =
-            _nm_setting_bond_opt_value_as_u32(s_bond, NM_SETTING_BOND_OPTION_ARP_INTERVAL),
-        .resend_igmp =
-            _nm_setting_bond_opt_value_as_u32(s_bond, NM_SETTING_BOND_OPTION_RESEND_IGMP),
-        .min_links = _nm_setting_bond_opt_value_as_u32(s_bond, NM_SETTING_BOND_OPTION_MIN_LINKS),
-        .lp_interval =
-            _nm_setting_bond_opt_value_as_u32(s_bond, NM_SETTING_BOND_OPTION_LP_INTERVAL),
-        .packets_per_port =
-            _nm_setting_bond_opt_value_as_u32(s_bond, NM_SETTING_BOND_OPTION_PACKETS_PER_SLAVE),
-        .peer_notif_delay =
-            _nm_setting_bond_opt_value_as_u32(s_bond, NM_SETTING_BOND_OPTION_PEER_NOTIF_DELAY),
-        .arp_all_targets = _nm_setting_bond_arp_all_targets_from_string(
-            nm_setting_bond_get_option_normalized(s_bond, NM_SETTING_BOND_OPTION_ARP_ALL_TARGETS)),
-        .arp_validate = _nm_setting_bond_arp_validate_from_string(
-            nm_setting_bond_get_option_normalized(s_bond, NM_SETTING_BOND_OPTION_ARP_VALIDATE)),
-        .ad_actor_sys_prio =
-            _nm_setting_bond_opt_value_as_u16(s_bond, NM_SETTING_BOND_OPTION_AD_ACTOR_SYS_PRIO),
-        .ad_user_port_key =
-            _nm_setting_bond_opt_value_as_u16(s_bond, NM_SETTING_BOND_OPTION_AD_USER_PORT_KEY),
-        .primary_reselect = _nm_setting_bond_primary_reselect_from_string(
-            nm_setting_bond_get_option_normalized(s_bond, NM_SETTING_BOND_OPTION_PRIMARY_RESELECT)),
-        .fail_over_mac = _nm_setting_bond_fail_over_mac_from_string(
-            nm_setting_bond_get_option_normalized(s_bond, NM_SETTING_BOND_OPTION_FAIL_OVER_MAC)),
-        .xmit_hash_policy = _nm_setting_bond_xmit_hash_policy_from_string(
-            nm_setting_bond_get_option_normalized(s_bond, NM_SETTING_BOND_OPTION_XMIT_HASH_POLICY)),
-        .num_grat_arp =
-            _nm_setting_bond_opt_value_as_u8(s_bond, NM_SETTING_BOND_OPTION_NUM_GRAT_ARP),
-        .all_ports_active =
-            _nm_setting_bond_opt_value_as_u8(s_bond, NM_SETTING_BOND_OPTION_ALL_SLAVES_ACTIVE),
-        .lacp_rate = _nm_setting_bond_lacp_rate_from_string(
-            nm_setting_bond_get_option_normalized(s_bond, NM_SETTING_BOND_OPTION_LACP_RATE)),
-        .ad_select = _nm_setting_bond_ad_select_from_string(
-            nm_setting_bond_get_option_normalized(s_bond, NM_SETTING_BOND_OPTION_AD_SELECT)),
+        .miimon    = _v_u32(s_bond, NM_SETTING_BOND_OPTION_MIIMON),
+        .updelay   = _v_u32(s_bond, NM_SETTING_BOND_OPTION_UPDELAY),
+        .downdelay = _v_u32(s_bond, NM_SETTING_BOND_OPTION_DOWNDELAY),
+        .arp_interval      = _v_u32(s_bond, NM_SETTING_BOND_OPTION_ARP_INTERVAL),
+        .resend_igmp       = _v_u32(s_bond, NM_SETTING_BOND_OPTION_RESEND_IGMP),
+        .min_links         = _v_u32(s_bond, NM_SETTING_BOND_OPTION_MIN_LINKS),
+        .lp_interval       = _v_u32(s_bond, NM_SETTING_BOND_OPTION_LP_INTERVAL),
+        .packets_per_port  = _v_u32(s_bond, NM_SETTING_BOND_OPTION_PACKETS_PER_SLAVE),
+        .peer_notif_delay  = _v_u32(s_bond, NM_SETTING_BOND_OPTION_PEER_NOTIF_DELAY),
+        .arp_all_targets   = _v_fcn(_nm_setting_bond_arp_all_targets_from_string,
+                                  s_bond,
+                                  NM_SETTING_BOND_OPTION_ARP_ALL_TARGETS),
+        .arp_validate      = _v_fcn(_nm_setting_bond_arp_validate_from_string,
+                               s_bond,
+                               NM_SETTING_BOND_OPTION_ARP_VALIDATE),
+        .ad_actor_sys_prio = _v_u16(s_bond, NM_SETTING_BOND_OPTION_AD_ACTOR_SYS_PRIO),
+        .ad_user_port_key  = _v_u16(s_bond, NM_SETTING_BOND_OPTION_AD_USER_PORT_KEY),
+        .primary_reselect  = _v_fcn(_nm_setting_bond_primary_reselect_from_string,
+                                   s_bond,
+                                   NM_SETTING_BOND_OPTION_PRIMARY_RESELECT),
+        .fail_over_mac     = _v_fcn(_nm_setting_bond_fail_over_mac_from_string,
+                                s_bond,
+                                NM_SETTING_BOND_OPTION_FAIL_OVER_MAC),
+        .xmit_hash_policy  = _v_fcn(_nm_setting_bond_xmit_hash_policy_from_string,
+                                   s_bond,
+                                   NM_SETTING_BOND_OPTION_XMIT_HASH_POLICY),
+        .num_grat_arp      = _v_u8(s_bond, NM_SETTING_BOND_OPTION_NUM_GRAT_ARP),
+        .all_ports_active  = _v_u8(s_bond, NM_SETTING_BOND_OPTION_ALL_SLAVES_ACTIVE),
+        .lacp_rate         = _v_fcn(_nm_setting_bond_lacp_rate_from_string,
+                            s_bond,
+                            NM_SETTING_BOND_OPTION_LACP_RATE),
+        .ad_select         = _v_fcn(_nm_setting_bond_ad_select_from_string,
+                            s_bond,
+                            NM_SETTING_BOND_OPTION_AD_SELECT),
+        .use_carrier       = _v_intbool(s_bond, NM_SETTING_BOND_OPTION_USE_CARRIER),
+        .tlb_dynamic_lb    = _v_intbool(s_bond, NM_SETTING_BOND_OPTION_TLB_DYNAMIC_LB),
     };
 
     nm_ether_addr_from_string(
         &props->ad_actor_system,
         nm_setting_bond_get_option_normalized(s_bond, NM_SETTING_BOND_OPTION_AD_ACTOR_SYSTEM));
 
-    opt_value = nm_setting_bond_get_option_normalized(s_bond, NM_SETTING_BOND_OPTION_USE_CARRIER);
-    if (opt_value != NULL)
-        props->use_carrier = _nm_utils_ascii_str_to_bool(opt_value, FALSE);
-
-    opt_value =
-        nm_setting_bond_get_option_normalized(s_bond, NM_SETTING_BOND_OPTION_TLB_DYNAMIC_LB);
-    if (opt_value != NULL)
-        props->tlb_dynamic_lb = _nm_utils_ascii_str_to_bool(opt_value, FALSE);
-
     opt_value = nm_setting_bond_get_option_normalized(s_bond, NM_SETTING_BOND_OPTION_ARP_IP_TARGET);
     if (opt_value != NULL)
         props->arp_ip_targets_num =
@@ -459,7 +455,6 @@ _platform_lnk_bond_init_from_setting(NMSettingBond *s_bond, NMPlatformLnkBond *p
     props->updelay_has          = props->miimon_has && props->miimon;
     props->downdelay_has        = props->miimon_has && props->miimon;
     props->peer_notif_delay_has = (props->miimon || props->arp_interval) && props->peer_notif_delay;
-    props->arp_all_targets_has  = props->arp_interval && props->arp_all_targets;
     props->resend_igmp_has      = props->resend_igmp != 1;
     props->lp_interval_has      = props->lp_interval != 1;
     props->tlb_dynamic_lb_has   = NM_IN_SET(props->mode, NM_BOND_MODE_TLB, NM_BOND_MODE_ALB);
@@ -493,6 +488,10 @@ act_stage1_prepare(NMDevice *device, NMDeviceStateReason *out_failure_reason)
         if (!nm_device_hw_addr_set_cloned(device, nm_device_get_applied_connection(device), FALSE))
             ret = NM_ACT_STAGE_RETURN_FAILURE;
     }
+
+    /* This is a workaround because netlink do not support ifname as primary */
+    set_bond_attr_or_default(device, s_bond, NM_SETTING_BOND_OPTION_PRIMARY);
+
     nm_device_bring_up(device, TRUE, NULL);
 
     return ret;
diff --git a/src/core/devices/nm-device-private.h b/src/core/devices/nm-device-private.h
index b54aed6a..31424d5c 100644
--- a/src/core/devices/nm-device-private.h
+++ b/src/core/devices/nm-device-private.h
@@ -89,7 +89,10 @@ nm_device_devip_set_state(NMDevice             *self,
     nm_assert(NM_IS_DEVICE(self));
     nm_assert_addr_family_or_unspec(addr_family);
     nm_assert(!l3cd || NM_IS_L3_CONFIG_DATA(l3cd));
-    nm_assert(NM_IN_SET(ip_state, NM_DEVICE_IP_STATE_PENDING, NM_DEVICE_IP_STATE_READY));
+    nm_assert(NM_IN_SET(ip_state,
+                        NM_DEVICE_IP_STATE_NONE,
+                        NM_DEVICE_IP_STATE_PENDING,
+                        NM_DEVICE_IP_STATE_READY));
 
     nm_device_devip_set_state_full(self, addr_family, ip_state, l3cd, NM_DEVICE_STATE_REASON_NONE);
 }
diff --git a/src/core/devices/nm-device-veth.c b/src/core/devices/nm-device-veth.c
index 63dfd8bb..c3482e78 100644
--- a/src/core/devices/nm-device-veth.c
+++ b/src/core/devices/nm-device-veth.c
@@ -101,8 +101,8 @@ create_and_realize(NMDevice              *device,
     peer        = nm_setting_veth_get_peer(s_veth);
     peer_device = nm_manager_get_device(NM_MANAGER_GET, peer, NM_DEVICE_TYPE_VETH);
     if (peer_device) {
-        /* The veth device and its peer already exist. No need to create it again. */
-        if (nm_streq0(nm_device_get_iface(nm_device_parent_get_device(peer_device)), iface))
+        if (nm_device_parent_get_device(peer_device))
+            /* The veth device and its peer already exist. No need to create it again. */
             return TRUE;
     }
 
diff --git a/src/core/devices/nm-device.c b/src/core/devices/nm-device.c
index d63b902b..6be9bc7c 100644
--- a/src/core/devices/nm-device.c
+++ b/src/core/devices/nm-device.c
@@ -96,6 +96,8 @@
 #define NM_DEVICE_AUTH_RETRIES_INFINITY -2
 #define NM_DEVICE_AUTH_RETRIES_DEFAULT  3
 
+#define AUTOCONNECT_RESET_RETRIES_TIMER 300
+
 /*****************************************************************************/
 
 typedef void (*ActivationHandleFunc)(NMDevice *self);
@@ -761,6 +763,9 @@ typedef struct _NMDevicePrivate {
 
     GVariant *ports_variant; /* Array of port devices D-Bus path */
     char     *prop_ip_iface; /* IP interface D-Bus property */
+
+    int    autoconnect_retries;
+    gint32 autoconnect_retries_blocked_until;
 } NMDevicePrivate;
 
 G_DEFINE_ABSTRACT_TYPE(NMDevice, nm_device, NM_TYPE_DBUS_OBJECT)
@@ -778,7 +783,9 @@ static void _dev_l3_cfg_commit_type_reset(NMDevice *self);
 
 static gboolean nm_device_master_add_slave(NMDevice *self, NMDevice *slave, gboolean configure);
 static void     nm_device_slave_notify_enslave(NMDevice *self, gboolean success);
-static void     nm_device_slave_notify_release(NMDevice *self, NMDeviceStateReason reason);
+static void     nm_device_slave_notify_release(NMDevice           *self,
+                                               NMDeviceStateReason reason,
+                                               ReleaseSlaveType    release_type);
 
 static void _dev_ipll6_start(NMDevice *self);
 
@@ -6236,7 +6243,7 @@ nm_device_master_release_slave(NMDevice           *self,
                                                release_type >= RELEASE_SLAVE_TYPE_CONFIG);
 
     /* raise notifications about the release, including clearing is_enslaved. */
-    nm_device_slave_notify_release(slave, reason);
+    nm_device_slave_notify_release(slave, reason, release_type);
 
     /* keep both alive until the end of the function.
      * Transfers ownership from slave_priv->master.  */
@@ -6536,12 +6543,16 @@ device_recheck_slave_status(NMDevice *self, const NMPlatformLink *plink)
 
     g_return_if_fail(plink);
 
-    if (plink->master <= 0)
-        goto out;
-
-    master                  = nm_manager_get_device_by_ifindex(NM_MANAGER_GET, plink->master);
-    plink_master            = nm_platform_link_get(nm_device_get_platform(self), plink->master);
-    plink_master_keep_alive = nmp_object_ref(NMP_OBJECT_UP_CAST(plink_master));
+    if (plink->master > 0) {
+        master                  = nm_manager_get_device_by_ifindex(NM_MANAGER_GET, plink->master);
+        plink_master            = nm_platform_link_get(nm_device_get_platform(self), plink->master);
+        plink_master_keep_alive = nmp_object_ref(NMP_OBJECT_UP_CAST(plink_master));
+    } else {
+        if (priv->master_ifindex == 0)
+            goto out;
+        master       = NULL;
+        plink_master = NULL;
+    }
 
     if (master == NULL && plink_master
         && NM_IN_STRSET(plink_master->name, "ovs-system", "ovs-netdev")
@@ -8024,7 +8035,9 @@ nm_device_slave_notify_enslave(NMDevice *self, gboolean success)
  * Notifies a slave that it has been released, and why.
  */
 static void
-nm_device_slave_notify_release(NMDevice *self, NMDeviceStateReason reason)
+nm_device_slave_notify_release(NMDevice           *self,
+                               NMDeviceStateReason reason,
+                               ReleaseSlaveType    release_type)
 {
     NMDevicePrivate *priv       = NM_DEVICE_GET_PRIVATE(self);
     NMConnection    *connection = nm_device_get_applied_connection(self);
@@ -8032,7 +8045,7 @@ nm_device_slave_notify_release(NMDevice *self, NMDeviceStateReason reason)
 
     g_return_if_fail(priv->master);
 
-    if (!priv->is_enslaved)
+    if (!priv->is_enslaved && release_type == RELEASE_SLAVE_TYPE_NO_CONFIG)
         return;
 
     if (priv->state > NM_DEVICE_STATE_DISCONNECTED && priv->state <= NM_DEVICE_STATE_ACTIVATED) {
@@ -8956,7 +8969,7 @@ nm_device_emit_recheck_assume(gpointer user_data)
     priv = NM_DEVICE_GET_PRIVATE(self);
 
     priv->recheck_assume_id = 0;
-    if (!nm_device_get_act_request(self))
+    if (!priv->queued_act_request && !nm_device_get_act_request(self))
         g_signal_emit(self, signals[RECHECK_ASSUME], 0);
 
     return G_SOURCE_REMOVE;
@@ -9954,6 +9967,7 @@ nm_device_devip_set_state_full(NMDevice             *self,
 
     nm_assert_addr_family_or_unspec(addr_family);
     nm_assert(NM_IN_SET(ip_state,
+                        NM_DEVICE_IP_STATE_NONE,
                         NM_DEVICE_IP_STATE_PENDING,
                         NM_DEVICE_IP_STATE_READY,
                         NM_DEVICE_IP_STATE_FAILED));
@@ -9961,7 +9975,7 @@ nm_device_devip_set_state_full(NMDevice             *self,
 
     nm_assert((ip_state != NM_DEVICE_IP_STATE_FAILED)
               == (failed_reason == NM_DEVICE_STATE_REASON_NONE));
-    nm_assert((ip_state != NM_DEVICE_IP_STATE_FAILED) || !l3cd);
+    nm_assert(NM_IN_SET(ip_state, NM_DEVICE_IP_STATE_PENDING, NM_DEVICE_IP_STATE_READY) || !l3cd);
 
     p = _dev_ipdev_data(self, addr_family);
 
@@ -12206,7 +12220,7 @@ _dev_ipsharedx_cleanup(NMDevice *self, int addr_family)
         }
 
         if (priv->ipshared_data_4.v4.firewall_config) {
-            nm_firewall_config_apply(priv->ipshared_data_4.v4.firewall_config, FALSE);
+            nm_firewall_config_apply_sync(priv->ipshared_data_4.v4.firewall_config, FALSE);
             nm_clear_pointer(&priv->ipshared_data_4.v4.firewall_config, nm_firewall_config_free);
         }
 
@@ -12353,8 +12367,8 @@ _dev_ipshared4_start(NMDevice *self)
         goto out_fail;
 
     priv->ipshared_data_4.v4.firewall_config =
-        nm_firewall_config_new(ip_iface, ip4_addr.address, ip4_addr.plen);
-    nm_firewall_config_apply(priv->ipshared_data_4.v4.firewall_config, TRUE);
+        nm_firewall_config_new_shared(ip_iface, ip4_addr.address, ip4_addr.plen);
+    nm_firewall_config_apply_sync(priv->ipshared_data_4.v4.firewall_config, TRUE);
 
     priv->ipshared_data_4.v4.l3cd = nm_l3_config_data_ref(l3cd);
     _dev_l3_register_l3cds_set_one(self, L3_CONFIG_DATA_TYPE_SHARED_4, l3cd, FALSE);
@@ -16857,6 +16871,49 @@ nm_device_get_initial_hw_address(NMDevice *self)
     return NM_DEVICE_GET_PRIVATE(self)->hw_addr_initial;
 }
 
+void
+nm_device_set_autoconnect_retries(NMDevice *self, int tries)
+{
+    NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE(self);
+
+    if (priv->autoconnect_retries != tries) {
+        _LOGT(LOGD_DEVICE, "autoconnect: retries set %d", tries);
+        priv->autoconnect_retries = tries;
+    }
+
+    if (tries)
+        priv->autoconnect_retries_blocked_until = 0; /* we are not blocked anymore */
+    else
+        priv->autoconnect_retries_blocked_until =
+            nm_utils_get_monotonic_timestamp_sec() + AUTOCONNECT_RESET_RETRIES_TIMER;
+}
+
+int
+nm_device_get_autoconnect_retries(NMDevice *self)
+{
+    NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE(self);
+
+    return priv->autoconnect_retries;
+}
+
+gint32
+nm_device_autoconnect_retries_blocked_until(NMDevice *self)
+{
+    NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE(self);
+
+    return priv->autoconnect_retries_blocked_until;
+}
+
+void
+nm_device_autoconnect_retries_reset(NMDevice *self)
+{
+    NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE(self);
+
+    /* default value, we will sync. with connection value when needed */
+    priv->autoconnect_retries               = -2;
+    priv->autoconnect_retries_blocked_until = 0;
+}
+
 /**
  * nm_device_spec_match_list:
  * @self: an #NMDevice
@@ -17161,6 +17218,13 @@ nm_device_get_hostname_from_dns_lookup(NMDevice *self, int addr_family, gboolean
     /* If the device is not supposed to have addresses,
      * return an immediate empty result.*/
     if (!nm_device_get_applied_connection(self)) {
+        nm_clear_pointer(&priv->hostname_resolver_x[IS_IPv4], _hostname_resolver_free);
+        NM_SET_OUT(out_wait, FALSE);
+        return NULL;
+    }
+
+    if (!priv->carrier) {
+        nm_clear_pointer(&priv->hostname_resolver_x[IS_IPv4], _hostname_resolver_free);
         NM_SET_OUT(out_wait, FALSE);
         return NULL;
     }
@@ -17601,6 +17665,8 @@ nm_device_init(NMDevice *self)
     priv->sys_iface_state_      = NM_DEVICE_SYS_IFACE_STATE_EXTERNAL;
 
     priv->promisc_reset = NM_OPTION_BOOL_DEFAULT;
+
+    priv->autoconnect_retries = -2;
 }
 
 static GObject *
diff --git a/src/core/devices/nm-device.h b/src/core/devices/nm-device.h
index de850e68..fea46bb7 100644
--- a/src/core/devices/nm-device.h
+++ b/src/core/devices/nm-device.h
@@ -464,6 +464,11 @@ const char *nm_device_get_permanent_hw_address_full(NMDevice *self,
                                                     gboolean *out_is_fake);
 const char *nm_device_get_initial_hw_address(NMDevice *dev);
 
+void   nm_device_set_autoconnect_retries(NMDevice *self, int tries);
+int    nm_device_get_autoconnect_retries(NMDevice *self);
+gint32 nm_device_autoconnect_retries_blocked_until(NMDevice *self);
+void   nm_device_autoconnect_retries_reset(NMDevice *self);
+
 NMDhcpConfig *nm_device_get_dhcp_config(NMDevice *dev, int addr_family);
 
 NML3Cfg *nm_device_get_l3cfg(NMDevice *self);
diff --git a/src/core/devices/ovs/nm-ovsdb.c b/src/core/devices/ovs/nm-ovsdb.c
index e7c96852..d3e858a1 100644
--- a/src/core/devices/ovs/nm-ovsdb.c
+++ b/src/core/devices/ovs/nm-ovsdb.c
@@ -18,6 +18,7 @@
 #include "nm-manager.h"
 #include "nm-setting-ovs-external-ids.h"
 #include "nm-priv-helper-call.h"
+#include "libnm-platform/nm-platform.h"
 
 /*****************************************************************************/
 
@@ -120,6 +121,7 @@ enum {
 static guint signals[LAST_SIGNAL] = {0};
 
 typedef struct {
+    NMPlatform        *platform;
     GSocketConnection *conn;
     GCancellable      *conn_cancellable;
     char               buf[4096]; /* Input buffer */
@@ -135,8 +137,14 @@ typedef struct {
     GHashTable *bridges;    /* bridge uuid => OpenvswitchBridge */
     char       *db_uuid;
     guint       num_failures;
-    guint       num_pending_deletions;
     bool        ready : 1;
+    struct {
+        GPtrArray *interfaces;      /* Interface names we are waiting to go away */
+        GSource   *timeout_source;  /* After all deletions complete, wait this
+                                    * timeout for interfaces to disappear */
+        gulong     link_changed_id; /* Platform link-changed signal handle */
+        guint      num_pending_del; /* Number of ovsdb deletions pending */
+    } cleanup;
 } NMOvsdbPrivate;
 
 struct _NMOvsdb {
@@ -161,6 +169,7 @@ static void ovsdb_disconnect(NMOvsdb *self, gboolean retry, gboolean is_disposin
 static void ovsdb_read(NMOvsdb *self);
 static void ovsdb_write(NMOvsdb *self);
 static void ovsdb_next_command(NMOvsdb *self);
+static void cleanup_check_ready(NMOvsdb *self);
 
 /*****************************************************************************/
 
@@ -2283,21 +2292,114 @@ ovsdb_disconnect(NMOvsdb *self, gboolean retry, gboolean is_disposing)
 }
 
 static void
-_check_ready(NMOvsdb *self)
+cleanup_emit_ready(NMOvsdb *self, const char *reason)
+{
+    NMOvsdbPrivate *priv = NM_OVSDB_GET_PRIVATE(self);
+
+    _LOGT("cleanup: ready (%s)", reason);
+
+    nm_clear_pointer(&priv->cleanup.interfaces, g_ptr_array_unref);
+    nm_clear_g_source_inst(&priv->cleanup.timeout_source);
+    nm_clear_g_signal_handler(priv->platform, &priv->cleanup.link_changed_id);
+
+    priv->ready = TRUE;
+    g_signal_emit(self, signals[READY], 0);
+    nm_manager_unblock_failed_ovs_interfaces(nm_manager_get());
+}
+
+static gboolean
+cleanup_timeout(NMOvsdb *self)
+{
+    cleanup_emit_ready(self, "timeout");
+    return G_SOURCE_CONTINUE;
+}
+
+static void
+cleanup_link_cb(NMPlatform     *platform,
+                int             obj_type_i,
+                int             ifindex,
+                NMPlatformLink *plink,
+                int             change_type_i,
+                gpointer        user_data)
+{
+    const NMPlatformSignalChangeType change_type = change_type_i;
+
+    if (change_type != NM_PLATFORM_SIGNAL_REMOVED)
+        return;
+
+    cleanup_check_ready(user_data);
+}
+
+static void
+cleanup_check_ready(NMOvsdb *self)
 {
     NMOvsdbPrivate *priv = NM_OVSDB_GET_PRIVATE(self);
+    guint           i    = 0;
 
     nm_assert(!priv->ready);
 
-    if (priv->num_pending_deletions == 0) {
-        priv->ready = TRUE;
-        g_signal_emit(self, signals[READY], 0);
-        nm_manager_unblock_failed_ovs_interfaces(nm_manager_get());
+    if (priv->cleanup.num_pending_del > 0)
+        return;
+
+    /* After we have deleted an interface from ovsdb, the link will stay
+     * in platform until ovs-vswitch removes it. To avoid race conditions,
+     * we need to wait until the link goes away; otherwise, after adding the
+     * interface again, these race conditions can happen:
+     * 1) we see the link in platform, and proceed with activation. But after
+     *    that, ovs-vswitchd reads the updates from ovsdb-server and deletes/recreates
+     *    the link.
+     * 2) ovs-vswitch combines the delete/insert of the interface to a no-op. NM sees
+     *    the link staying in platform, but doesn't know whether the link is ready
+     *    or we are again in case 1)
+     * In other words, it's necessary to wait that the link goes away before inserting
+     * the interface again.
+     */
+    while (i < nm_g_ptr_array_len(priv->cleanup.interfaces)) {
+        const char                  *ifname;
+        const NMDedupMultiHeadEntry *pl_links_head_entry;
+        NMDedupMultiIter             pliter;
+        const NMPlatformLink        *link;
+        gboolean                     found = FALSE;
+
+        ifname              = priv->cleanup.interfaces->pdata[i];
+        pl_links_head_entry = nm_platform_lookup_link_by_ifname(priv->platform, ifname);
+        nmp_cache_iter_for_each_link (&pliter, pl_links_head_entry, &link) {
+            if (link->type == NM_LINK_TYPE_OPENVSWITCH
+                && nmp_object_is_visible(NMP_OBJECT_UP_CAST(link))) {
+                found = TRUE;
+                break;
+            }
+        }
+
+        if (!found) {
+            g_ptr_array_remove_index_fast(priv->cleanup.interfaces, i);
+            continue;
+        }
+        i++;
     }
+
+    if (nm_g_ptr_array_len(priv->cleanup.interfaces) == 0) {
+        cleanup_emit_ready(self, "all interfaces deleted");
+        return;
+    }
+
+    _LOGT("cleanup: still waiting for %d interfaces", priv->cleanup.interfaces->len);
+
+    if (priv->cleanup.timeout_source) {
+        /* We already registered the timeout/change-callback */
+        return;
+    }
+
+    priv->cleanup.timeout_source =
+        nm_g_timeout_add_seconds_source(6, G_SOURCE_FUNC(cleanup_timeout), self);
+    priv->cleanup.link_changed_id = g_signal_connect(priv->platform,
+                                                     NM_PLATFORM_SIGNAL_LINK_CHANGED,
+                                                     G_CALLBACK(cleanup_link_cb),
+                                                     self);
 }
 
 static void
-_del_initial_iface_cb(GError *error, gpointer user_data)
+cleanup_del_iface_cb(GError *error, gpointer user_data)
 {
     NMOvsdb        *self;
     gs_free char   *ifname = NULL;
@@ -2309,18 +2411,18 @@ _del_initial_iface_cb(GError *error, gpointer user_data)
         return;
 
     priv = NM_OVSDB_GET_PRIVATE(self);
-    nm_assert(priv->num_pending_deletions > 0);
-    priv->num_pending_deletions--;
+    nm_assert(priv->cleanup.num_pending_del > 0);
+    priv->cleanup.num_pending_del--;
 
-    _LOGD("delete initial interface '%s': %s %s%s%s, pending %u",
+    _LOGD("cleanup: deleted interface '%s': %s %s%s%s, pending %u",
           ifname,
           error ? "error" : "success",
           error ? "(" : "",
           error ? error->message : "",
           error ? ")" : "",
-          priv->num_pending_deletions);
+          priv->cleanup.num_pending_del);
 
-    _check_ready(self);
+    cleanup_check_ready(self);
 }
 
 static void
@@ -2331,7 +2433,7 @@ ovsdb_cleanup_initial_interfaces(NMOvsdb *self)
     NMUtilsUserData            *data;
     GHashTableIter              iter;
 
-    if (priv->ready || priv->num_pending_deletions != 0)
+    if (priv->ready || priv->cleanup.num_pending_del > 0 || priv->cleanup.interfaces)
         return;
 
     /* Delete OVS interfaces added by NM. Bridges and ports and
@@ -2339,17 +2441,22 @@ ovsdb_cleanup_initial_interfaces(NMOvsdb *self)
      * when no interface is present. */
     g_hash_table_iter_init(&iter, self->_priv.interfaces);
     while (g_hash_table_iter_next(&iter, NULL, (gpointer *) &interface)) {
-        if (interface->connection_uuid) {
-            priv->num_pending_deletions++;
-            _LOGD("deleting initial interface '%s' (pending: %u)",
-                  interface->name,
-                  priv->num_pending_deletions);
-            data = nm_utils_user_data_pack(self, g_strdup(interface->name));
-            nm_ovsdb_del_interface(self, interface->name, _del_initial_iface_cb, data);
+        if (!interface->connection_uuid) {
+            /* not created by NM, ignore */
+            continue;
         }
+
+        if (!priv->cleanup.interfaces)
+            priv->cleanup.interfaces = g_ptr_array_new_with_free_func(g_free);
+        g_ptr_array_add(priv->cleanup.interfaces, g_strdup(interface->name));
+
+        _LOGD("cleanup: deleting interface '%s'", interface->name);
+        priv->cleanup.num_pending_del++;
+        data = nm_utils_user_data_pack(self, g_strdup(interface->name));
+        nm_ovsdb_del_interface(self, interface->name, cleanup_del_iface_cb, data);
     }
 
-    _check_ready(self);
+    cleanup_check_ready(self);
 }
 
 static void
@@ -2622,8 +2729,9 @@ nm_ovsdb_init(NMOvsdb *self)
 
     c_list_init(&priv->calls_lst_head);
 
-    priv->input  = g_string_new(NULL);
-    priv->output = g_string_new(NULL);
+    priv->platform = g_object_ref(NM_PLATFORM_GET);
+    priv->input    = g_string_new(NULL);
+    priv->output   = g_string_new(NULL);
     priv->bridges =
         g_hash_table_new_full(nm_pstr_hash, nm_pstr_equal, (GDestroyNotify) _free_bridge, NULL);
     priv->ports =
@@ -2653,6 +2761,7 @@ dispose(GObject *object)
         priv->output = NULL;
     }
 
+    g_clear_object(&priv->platform);
     nm_clear_pointer(&priv->bridges, g_hash_table_destroy);
     nm_clear_pointer(&priv->ports, g_hash_table_destroy);
     nm_clear_pointer(&priv->interfaces, g_hash_table_destroy);
diff --git a/src/core/dhcp/nm-dhcp-client.c b/src/core/dhcp/nm-dhcp-client.c
index 77cfeecf..1329b953 100644
--- a/src/core/dhcp/nm-dhcp-client.c
+++ b/src/core/dhcp/nm-dhcp-client.c
@@ -115,9 +115,6 @@ typedef struct _NMDhcpClientPrivate {
                 in_addr_t    addr;
                 NMOptionBool state;
             } acd;
-            struct {
-                GDBusMethodInvocation *invocation;
-            } bound;
         } v4;
         struct {
             GSource *lladdr_timeout_source;
@@ -125,6 +122,8 @@ typedef struct _NMDhcpClientPrivate {
         } v6;
     };
 
+    GDBusMethodInvocation *invocation;
+
     struct {
         gulong id;
         bool   wait_dhcp_commit : 1;
@@ -909,13 +908,10 @@ _accept(NMDhcpClient *self, const NML3ConfigData *l3cd, GError **error)
 {
     NMDhcpClientPrivate *priv = NM_DHCP_CLIENT_GET_PRIVATE(self);
 
-    if (!NM_IS_IPv4(priv->config.addr_family))
+    if (!priv->invocation)
         return TRUE;
 
-    if (!priv->v4.bound.invocation)
-        return TRUE;
-
-    g_dbus_method_invocation_return_value(g_steal_pointer(&priv->v4.bound.invocation), NULL);
+    g_dbus_method_invocation_return_value(g_steal_pointer(&priv->invocation), NULL);
     return TRUE;
 }
 
@@ -939,20 +935,17 @@ decline(NMDhcpClient *self, const NML3ConfigData *l3cd, const char *error_messag
 {
     NMDhcpClientPrivate *priv = NM_DHCP_CLIENT_GET_PRIVATE(self);
 
-    if (!NM_IS_IPv4(priv->config.addr_family))
-        return TRUE;
-
-    if (!priv->v4.bound.invocation) {
+    if (!priv->invocation) {
         nm_utils_error_set(error,
                            NM_UTILS_ERROR_UNKNOWN,
                            "calling decline in unexpected script state");
         return FALSE;
     }
-
-    g_dbus_method_invocation_return_error(g_steal_pointer(&priv->v4.bound.invocation),
+    g_dbus_method_invocation_return_error(g_steal_pointer(&priv->invocation),
                                           NM_DEVICE_ERROR,
                                           NM_DEVICE_ERROR_FAILED,
-                                          "acd failed");
+                                          NM_IS_IPv4(priv->config.addr_family) ? "ACD failed"
+                                                                               : "DAD failed");
     return TRUE;
 }
 
@@ -1043,8 +1036,11 @@ ipv6_lladdr_find(NMDhcpClient *self)
     return NULL;
 }
 
-static const NMPlatformIP6Address *
-ipv6_tentative_addr_find(NMDhcpClient *self)
+static void
+ipv6_tentative_addr_check(NMDhcpClient                *self,
+                          GPtrArray                  **tentative,
+                          GPtrArray                  **missing,
+                          const NMPlatformIP6Address **valid)
 {
     NMDhcpClientPrivate        *priv = NM_DHCP_CLIENT_GET_PRIVATE(self);
     NMDedupMultiIter            iter;
@@ -1062,16 +1058,26 @@ ipv6_tentative_addr_find(NMDhcpClient *self)
                                                                     NMP_CACHE_ID_TYPE_OBJECT_TYPE,
                                                                     &needle));
         if (!pladdr) {
-            /* Address was removed from platform */
+            /* address removed: we assume that's because DAD failed */
+            if (missing) {
+                if (!*missing)
+                    *missing = g_ptr_array_new();
+                g_ptr_array_add(*missing, (gpointer) addr);
+            }
             continue;
         }
 
         if (NM_FLAGS_HAS(pladdr->n_ifa_flags, IFA_F_TENTATIVE)
-            && !NM_FLAGS_HAS(pladdr->n_ifa_flags, IFA_F_OPTIMISTIC))
-            return pladdr;
-    }
+            && !NM_FLAGS_HAS(pladdr->n_ifa_flags, IFA_F_OPTIMISTIC)) {
+            if (tentative) {
+                if (!*tentative)
+                    *tentative = g_ptr_array_new();
+                g_ptr_array_add(*tentative, (gpointer) addr);
+            }
+        }
 
-    return NULL;
+        NM_SET_OUT(valid, addr);
+    }
 }
 
 static void
@@ -1108,21 +1114,61 @@ l3_cfg_notify_cb(NML3Cfg *l3cfg, const NML3ConfigNotifyData *notify_data, NMDhcp
 
     if (notify_data->notify_type == NM_L3_CONFIG_NOTIFY_TYPE_PLATFORM_CHANGE_ON_IDLE
         && priv->l3cfg_notify.wait_ipv6_dad) {
-        const NMPlatformIP6Address *tentative;
+        gs_unref_ptrarray GPtrArray *tentative = NULL;
+        gs_unref_ptrarray GPtrArray *missing   = NULL;
+        const NMPlatformIP6Address  *valid     = NULL;
+        char                         str[NM_UTILS_TO_STRING_BUFFER_SIZE];
+        guint                        i;
+        gs_free_error GError        *error = NULL;
+
+        ipv6_tentative_addr_check(self, &tentative, &missing, &valid);
+        if (tentative) {
+            for (i = 0; i < tentative->len; i++) {
+                _LOGD("still waiting DAD for address: %s",
+                      nm_platform_ip6_address_to_string(tentative->pdata[i], str, sizeof(str)));
+            }
+        } else {
+            /* done */
 
-        tentative = ipv6_tentative_addr_find(self);
-        if (!tentative) {
-            _LOGD("addresses in the lease completed DAD");
             priv->l3cfg_notify.wait_ipv6_dad = FALSE;
             nm_clear_g_source_inst(&priv->v6.dad_timeout_source);
             l3_cfg_notify_check_connected(self);
-            _emit_notify(
-                self,
-                &((NMDhcpClientNotifyData){.notify_type  = NM_DHCP_CLIENT_NOTIFY_TYPE_LEASE_UPDATE,
-                                           .lease_update = {
-                                               .l3cd     = priv->l3cd_curr,
-                                               .accepted = TRUE,
-                                           }}));
+
+            if (missing) {
+                for (i = 0; i < missing->len; i++) {
+                    _LOGE("DAD failed for address: %s",
+                          nm_platform_ip6_address_to_string(missing->pdata[i], str, sizeof(str)));
+                }
+            }
+
+            if (valid) {
+                /* at least one non-duplicate address */
+                _LOGD("addresses in the lease completed DAD: accept the lease");
+
+                if (_dhcp_client_accept(self, priv->l3cd_curr, &error)) {
+                    _emit_notify(self,
+                                 &((NMDhcpClientNotifyData){
+                                     .notify_type  = NM_DHCP_CLIENT_NOTIFY_TYPE_LEASE_UPDATE,
+                                     .lease_update = {
+                                         .l3cd     = priv->l3cd_curr,
+                                         .accepted = TRUE,
+                                     }}));
+                } else {
+                    gs_free char *reason =
+                        g_strdup_printf("error accepting lease: %s", error->message);
+
+                    _LOGD("accept failed: %s", error->message);
+                    _emit_notify(self,
+                                 &((NMDhcpClientNotifyData){
+                                     .notify_type         = NM_DHCP_CLIENT_NOTIFY_TYPE_IT_LOOKS_BAD,
+                                     .it_looks_bad.reason = reason,
+                                 }));
+                }
+            } else {
+                _LOGD("decline the lease");
+                if (!_dhcp_client_decline(self, priv->l3cd_curr, "DAD failed", &error))
+                    _LOGD("decline failed: %s", error->message);
+            }
         }
     }
 
@@ -1155,20 +1201,23 @@ l3_cfg_notify_cb(NML3Cfg *l3cfg, const NML3ConfigNotifyData *notify_data, NMDhcp
                                                     address4->peer_address))
                 goto wait_dhcp_commit_done;
         } else {
-            const NMPlatformIP6Address *address6 = (const NMPlatformIP6Address *) lease_address;
-            const NMPlatformIP6Address *tentative;
-            char                        str[NM_UTILS_TO_STRING_BUFFER_SIZE];
+            const NMPlatformIP6Address  *address6  = (const NMPlatformIP6Address *) lease_address;
+            gs_unref_ptrarray GPtrArray *tentative = NULL;
+            char                         str[NM_UTILS_TO_STRING_BUFFER_SIZE];
+            guint                        i;
 
             if (!nm_l3_config_data_lookup_address_6(committed_l3cd, &address6->address))
                 goto wait_dhcp_commit_done;
 
-            tentative = ipv6_tentative_addr_find(self);
+            ipv6_tentative_addr_check(self, &tentative, NULL, NULL);
             if (tentative) {
                 priv->l3cfg_notify.wait_ipv6_dad = TRUE;
                 priv->v6.dad_timeout_source =
                     nm_g_timeout_add_seconds_source(30, ipv6_dad_timeout, self);
-                _LOGD("wait DAD for address %s",
-                      nm_platform_ip6_address_to_string(tentative, str, sizeof(str)));
+                for (i = 0; i < tentative->len; i++) {
+                    _LOGD("wait DAD for address %s",
+                          nm_platform_ip6_address_to_string(tentative->pdata[i], str, sizeof(str)));
+                }
             } else {
                 priv->l3cfg_notify.wait_ipv6_dad = FALSE;
                 nm_clear_g_source_inst(&priv->v6.dad_timeout_source);
@@ -1179,22 +1228,22 @@ l3_cfg_notify_cb(NML3Cfg *l3cfg, const NML3ConfigNotifyData *notify_data, NMDhcp
 
         l3_cfg_notify_check_connected(self);
 
-        _LOGD("accept lease");
+        if (priv->config.addr_family == AF_INET || !priv->l3cfg_notify.wait_ipv6_dad) {
+            _LOGD("accept lease");
 
-        if (!_dhcp_client_accept(self, priv->l3cd_curr, &error)) {
-            gs_free char *reason = g_strdup_printf("error accepting lease: %s", error->message);
+            if (!_dhcp_client_accept(self, priv->l3cd_curr, &error)) {
+                gs_free char *reason = g_strdup_printf("error accepting lease: %s", error->message);
 
-            _LOGD("accept failed: %s", error->message);
+                _LOGD("accept failed: %s", error->message);
 
-            _emit_notify(self,
-                         &((NMDhcpClientNotifyData){
-                             .notify_type         = NM_DHCP_CLIENT_NOTIFY_TYPE_IT_LOOKS_BAD,
-                             .it_looks_bad.reason = reason,
-                         }));
-            goto wait_dhcp_commit_done;
-        }
+                _emit_notify(self,
+                             &((NMDhcpClientNotifyData){
+                                 .notify_type         = NM_DHCP_CLIENT_NOTIFY_TYPE_IT_LOOKS_BAD,
+                                 .it_looks_bad.reason = reason,
+                             }));
+                goto wait_dhcp_commit_done;
+            }
 
-        if (priv->config.addr_family == AF_INET || !priv->l3cfg_notify.wait_ipv6_dad) {
             _emit_notify(
                 self,
                 &((NMDhcpClientNotifyData){.notify_type  = NM_DHCP_CLIENT_NOTIFY_TYPE_LEASE_UPDATE,
@@ -1368,8 +1417,8 @@ nm_dhcp_client_stop(NMDhcpClient *self, gboolean release)
 
     priv->is_stopped = TRUE;
 
-    if (NM_IS_IPv4(priv->config.addr_family) && priv->v4.bound.invocation) {
-        g_dbus_method_invocation_return_error(g_steal_pointer(&priv->v4.bound.invocation),
+    if (priv->invocation) {
+        g_dbus_method_invocation_return_error(g_steal_pointer(&priv->invocation),
                                               NM_DEVICE_ERROR,
                                               NM_DEVICE_ERROR_FAILED,
                                               "dhcp stopping");
@@ -1528,7 +1577,6 @@ nm_dhcp_client_handle_event(gpointer               unused,
     NMPlatformIP6Address                    prefix = {
                            0,
     };
-    int IS_IPv4;
 
     g_return_val_if_fail(NM_IS_DHCP_CLIENT(self), FALSE);
     g_return_val_if_fail(iface != NULL, FALSE);
@@ -1625,16 +1673,13 @@ nm_dhcp_client_handle_event(gpointer               unused,
         client_event_type = NM_DHCP_CLIENT_EVENT_TYPE_FAIL;
     }
 
-    IS_IPv4 = NM_IS_IPv4(priv->config.addr_family);
-
-    if (IS_IPv4 && priv->v4.bound.invocation)
-        g_dbus_method_invocation_return_value(g_steal_pointer(&priv->v4.bound.invocation), NULL);
+    if (priv->invocation)
+        g_dbus_method_invocation_return_value(g_steal_pointer(&priv->invocation), NULL);
 
-    if (IS_IPv4
-        && NM_IN_SET(client_event_type,
-                     NM_DHCP_CLIENT_EVENT_TYPE_BOUND,
-                     NM_DHCP_CLIENT_EVENT_TYPE_EXTENDED))
-        priv->v4.bound.invocation = g_steal_pointer(&invocation);
+    if (NM_IN_SET(client_event_type,
+                  NM_DHCP_CLIENT_EVENT_TYPE_BOUND,
+                  NM_DHCP_CLIENT_EVENT_TYPE_EXTENDED))
+        priv->invocation = g_steal_pointer(&invocation);
 
     _nm_dhcp_client_notify(self, client_event_type, l3cd);
 
@@ -1785,10 +1830,6 @@ set_property(GObject *object, guint prop_id, const GValue *value, GParamSpec *ps
          * explicitly initialize the respective union member. */
         if (NM_IS_IPv4(priv->config.addr_family)) {
             priv->v4 = (typeof(priv->v4)){
-                .bound =
-                    {
-                        .invocation = NULL,
-                    },
                 .acd =
                     {
                         .addr                = INADDR_ANY,
diff --git a/src/core/dhcp/nm-dhcp-helper.c b/src/core/dhcp/nm-dhcp-helper.c
index 5a17f4e8..78db617c 100644
--- a/src/core/dhcp/nm-dhcp-helper.c
+++ b/src/core/dhcp/nm-dhcp-helper.c
@@ -114,6 +114,8 @@ main(int argc, char *argv[])
     gint64                           time_start;
     gint64                           time_end;
     gint64                           remaining_time;
+    gboolean                         IS_IPv4;
+    const char                      *reason;
 
     /* Connecting to the unix socket can fail with EAGAIN if there are too
      * many pending connections and the server can't accept them in time
@@ -124,7 +126,19 @@ main(int argc, char *argv[])
     time_end   = time_start + (5000 * 1000L);
     try_count  = 0;
 
-    _LOGi("nm-dhcp-helper: event called");
+    reason = getenv("reason");
+
+    _LOGi("nm-dhcp-helper: event called: %s", reason);
+
+    IS_IPv4 = !NM_IN_STRSET(reason,
+                            "PREINIT6",
+                            "BOUND6",
+                            "RENEW6",
+                            "REBIND6",
+                            "DEPREF6",
+                            "EXPIRE6",
+                            "RELEASE6",
+                            "STOP6");
 
 do_connect:
     try_count++;
@@ -244,5 +258,6 @@ out:
     }
 
     _LOGi("success: %s", success ? "YES" : "NO");
-    return success ? EXIT_SUCCESS : EXIT_FAILURE;
+    /* The error code to send a decline depends on the address family */
+    return success ? EXIT_SUCCESS : (IS_IPv4 ? 1 : 3);
 }
diff --git a/src/core/dns/nm-dns-manager.c b/src/core/dns/nm-dns-manager.c
index 1e54452a..a2fead3f 100644
--- a/src/core/dns/nm-dns-manager.c
+++ b/src/core/dns/nm-dns-manager.c
@@ -2039,8 +2039,15 @@ nm_dns_manager_set_ip_config(NMDnsManager         *self,
 
     if (!ip_data) {
         ip_data = _dns_config_ip_data_new(data, addr_family, source_tag, l3cd, ip_config_type);
-        if (!any_removed)
+        priv->ip_data_lst_need_sort = TRUE;
+        if (!any_removed) {
+            /* `any_removed` tracks whether we deleted any ip_data. If that happened,
+             * we already compared the old and new l3cds and set `changed` accordingly.
+             * Here we only need to set `changed` if we are adding a new ip_data without
+             * removing the old one.
+             */
             changed = TRUE;
+        }
     } else {
         ip_data->ip_config_type = ip_config_type;
         changed                 = TRUE;
diff --git a/src/core/nm-config-data.c b/src/core/nm-config-data.c
index 0f512e38..753e3fb5 100644
--- a/src/core/nm-config-data.c
+++ b/src/core/nm-config-data.c
@@ -585,7 +585,7 @@ _merge_keyfiles(GKeyFile *keyfile_user, GKeyFile *keyfile_intern)
         if (!keys)
             continue;
 
-        is_intern = g_str_has_prefix(group, NM_CONFIG_KEYFILE_GROUPPREFIX_INTERN);
+        is_intern = NM_STR_HAS_PREFIX(group, NM_CONFIG_KEYFILE_GROUPPREFIX_INTERN);
         if (!is_intern
             && g_key_file_has_key(keyfile_intern,
                                   group,
@@ -634,9 +634,11 @@ _nm_config_data_log_sort(const char **pa, const char **pb, gpointer dummy)
     const char *a = *pa;
     const char *b = *pb;
 
+    nm_assert(a && b && !nm_streq(a, b));
+
     /* we sort intern groups to the end. */
-    a_is_intern = g_str_has_prefix(a, NM_CONFIG_KEYFILE_GROUPPREFIX_INTERN);
-    b_is_intern = g_str_has_prefix(b, NM_CONFIG_KEYFILE_GROUPPREFIX_INTERN);
+    a_is_intern = NM_STR_HAS_PREFIX(a, NM_CONFIG_KEYFILE_GROUPPREFIX_INTERN);
+    b_is_intern = NM_STR_HAS_PREFIX(b, NM_CONFIG_KEYFILE_GROUPPREFIX_INTERN);
 
     if (a_is_intern && b_is_intern)
         return 0;
@@ -646,8 +648,8 @@ _nm_config_data_log_sort(const char **pa, const char **pb, gpointer dummy)
         return -1;
 
     /* we sort connection groups before intern groups (to the end). */
-    a_is_connection = a && g_str_has_prefix(a, NM_CONFIG_KEYFILE_GROUPPREFIX_CONNECTION);
-    b_is_connection = b && g_str_has_prefix(b, NM_CONFIG_KEYFILE_GROUPPREFIX_CONNECTION);
+    a_is_connection = NM_STR_HAS_PREFIX(a, NM_CONFIG_KEYFILE_GROUPPREFIX_CONNECTION);
+    b_is_connection = NM_STR_HAS_PREFIX(b, NM_CONFIG_KEYFILE_GROUPPREFIX_CONNECTION);
 
     if (a_is_connection && b_is_connection) {
         /* if both are connection groups, we want the explicit [connection] group first. */
@@ -668,8 +670,8 @@ _nm_config_data_log_sort(const char **pa, const char **pb, gpointer dummy)
         return -1;
 
     /* we sort device groups before connection groups (to the end). */
-    a_is_device = a && g_str_has_prefix(a, NM_CONFIG_KEYFILE_GROUPPREFIX_DEVICE);
-    b_is_device = b && g_str_has_prefix(b, NM_CONFIG_KEYFILE_GROUPPREFIX_DEVICE);
+    a_is_device = NM_STR_HAS_PREFIX(a, NM_CONFIG_KEYFILE_GROUPPREFIX_DEVICE);
+    b_is_device = NM_STR_HAS_PREFIX(b, NM_CONFIG_KEYFILE_GROUPPREFIX_DEVICE);
 
     if (a_is_device && b_is_device) {
         /* if both are device groups, we want the explicit [device] group first. */
@@ -770,27 +772,48 @@ nm_config_data_log(const NMConfigData  *self,
     groups_full = g_ptr_array_sized_new(ngroups + 5);
 
     if (ngroups) {
+        /* g_key_file_get_groups() can return duplicates ( :( ), but the
+         * keyfile that we constructed should not have any. Assert for that. */
+        nm_assert(!nm_strv_has_duplicate((const char *const *) groups, ngroups, FALSE));
+
         g_ptr_array_set_size(groups_full, ngroups);
         memcpy(groups_full->pdata, groups, sizeof(groups[0]) * ngroups);
-        g_ptr_array_sort_with_data(groups_full, (GCompareDataFunc) _nm_config_data_log_sort, NULL);
     }
 
     if (print_default) {
         for (g = 0; g < G_N_ELEMENTS(default_values); g++) {
             const char *group = default_values[g].group;
-            gssize      idx;
+            guint       g2;
 
-            idx = nm_utils_array_find_binary_search((gconstpointer *) groups_full->pdata,
-                                                    sizeof(char *),
-                                                    groups_full->len,
-                                                    &group,
-                                                    (GCompareDataFunc) _nm_config_data_log_sort,
-                                                    NULL);
-            if (idx < 0)
-                g_ptr_array_insert(groups_full, (~idx), (gpointer) group);
+            if (g > 0) {
+                if (nm_streq(group, default_values[g - 1].group)) {
+                    /* Repeated values. We already added this one. Skip */
+                    continue;
+                }
+                if (NM_MORE_ASSERT_ONCE(20)) {
+                    /* We require that the default values are grouped by their "group".
+                     * That is, all default values for a certain "group" are close to
+                     * each other in the list. Assert for that. */
+                    for (g2 = g + 1; g2 < groups_full->len; g2++) {
+                        nm_assert(!nm_streq(default_values[g - 1].group, default_values[g2].group));
+                    }
+                }
+            }
+
+            for (g2 = 0; g2 < groups_full->len; g2++) {
+                if (nm_streq(group, groups_full->pdata[g2]))
+                    goto next;
+            }
+
+            g_ptr_array_add(groups_full, (gpointer) group);
+
+next:
+            (void) 0;
         }
     }
 
+    g_ptr_array_sort_with_data(groups_full, (GCompareDataFunc) _nm_config_data_log_sort, NULL);
+
     if (!stream)
         _LOG(stream, prefix, "config-data[%p]: %u groups", self, groups_full->len);
 
diff --git a/src/core/nm-firewall-utils.c b/src/core/nm-firewall-utils.c
index 1311f503..e482ab96 100644
--- a/src/core/nm-firewall-utils.c
+++ b/src/core/nm-firewall-utils.c
@@ -111,6 +111,8 @@ _share_iptables_get_name(gboolean is_iptables_chain, const char *prefix, const c
     return nm_str_buf_finalize(&strbuf, NULL);
 }
 
+/*****************************************************************************/
+
 static gboolean
 _share_iptables_call_v(const char *const *argv)
 {
@@ -171,7 +173,7 @@ _share_iptables_chain_add(const char *table, const char *chain)
 }
 
 static void
-_share_iptables_set_masquerade(gboolean add, const char *ip_iface, in_addr_t addr, guint8 plen)
+_share_iptables_set_masquerade_sync(gboolean up, const char *ip_iface, in_addr_t addr, guint8 plen)
 {
     char          str_subnet[_SHARE_IPTABLES_SUBNET_TO_STR_LEN];
     gs_free char *comment_name = NULL;
@@ -182,7 +184,7 @@ _share_iptables_set_masquerade(gboolean add, const char *ip_iface, in_addr_t add
     _share_iptables_call("" IPTABLES_PATH "",
                          "--table",
                          "nat",
-                         add ? "--insert" : "--delete",
+                         up ? "--insert" : "--delete",
                          "POSTROUTING",
                          "--source",
                          str_subnet,
@@ -309,8 +311,8 @@ _share_iptables_set_shared_chains_delete(const char *chain_input, const char *ch
     _share_iptables_chain_delete("filter", chain_forward);
 }
 
-_nm_unused static void
-_share_iptables_set_shared(gboolean add, const char *ip_iface, in_addr_t addr, guint plen)
+static void
+_share_iptables_set_shared_sync(gboolean up, const char *ip_iface, in_addr_t addr, guint plen)
 {
     gs_free char *comment_name  = NULL;
     gs_free char *chain_input   = NULL;
@@ -320,13 +322,13 @@ _share_iptables_set_shared(gboolean add, const char *ip_iface, in_addr_t addr, g
     chain_input   = _share_iptables_get_name(TRUE, "nm-sh-in", ip_iface);
     chain_forward = _share_iptables_get_name(TRUE, "nm-sh-fw", ip_iface);
 
-    if (add)
+    if (up)
         _share_iptables_set_shared_chains_add(chain_input, chain_forward, ip_iface, addr, plen);
 
     _share_iptables_call("" IPTABLES_PATH "",
                          "--table",
                          "filter",
-                         add ? "--insert" : "--delete",
+                         up ? "--insert" : "--delete",
                          "INPUT",
                          "--in-interface",
                          ip_iface,
@@ -340,7 +342,7 @@ _share_iptables_set_shared(gboolean add, const char *ip_iface, in_addr_t addr, g
     _share_iptables_call("" IPTABLES_PATH "",
                          "--table",
                          "filter",
-                         add ? "--insert" : "--delete",
+                         up ? "--insert" : "--delete",
                          "FORWARD",
                          "--jump",
                          chain_forward,
@@ -349,7 +351,7 @@ _share_iptables_set_shared(gboolean add, const char *ip_iface, in_addr_t addr, g
                          "--comment",
                          comment_name);
 
-    if (!add)
+    if (!up)
         _share_iptables_set_shared_chains_delete(chain_input, chain_forward);
 }
 
@@ -428,14 +430,21 @@ _fw_nft_call_communicate_cb(GObject *source, GAsyncResult *result, gpointer user
     } else if (g_subprocess_get_successful(call_data->subprocess)) {
         nm_log_dbg(LOGD_SHARING, "firewall: nft[%s]: command successful", call_data->identifier);
     } else {
+        char          buf[NM_UTILS_GET_PROCESS_EXIT_STATUS_BUF_LEN];
         gs_free char *ss_stdout    = NULL;
         gs_free char *ss_stderr    = NULL;
         gboolean      print_stdout = (stdout_buf && g_bytes_get_size(stdout_buf) > 0);
         gboolean      print_stderr = (stderr_buf && g_bytes_get_size(stderr_buf) > 0);
+        int           status;
+
+        status = g_subprocess_get_status(call_data->subprocess);
+
+        nm_utils_get_process_exit_status_desc_buf(status, buf, sizeof(buf));
 
         nm_log_warn(LOGD_SHARING,
-                    "firewall: nft[%s]: command failed:%s%s%s%s%s%s%s",
+                    "firewall: nft[%s]: command %s:%s%s%s%s%s%s%s",
                     call_data->identifier,
+                    buf,
                     print_stdout || print_stderr ? "" : " unknown reason",
                     NM_PRINT_FMT_QUOTED(
                         print_stdout,
@@ -453,6 +462,8 @@ _fw_nft_call_communicate_cb(GObject *source, GAsyncResult *result, gpointer user
                                                            &ss_stderr),
                         "\")",
                         ""));
+
+        nm_utils_error_set(&error, NM_UTILS_ERROR_COMMAND_FAILED, "nft command %s", buf);
     }
 
     _fw_nft_call_data_free(call_data, g_steal_pointer(&error));
@@ -486,23 +497,31 @@ _fw_nft_call_timeout_cb(gpointer user_data)
     return G_SOURCE_CONTINUE;
 }
 
-static void
-_fw_nft_call(GBytes             *stdin_buf,
-             GCancellable       *cancellable,
-             GAsyncReadyCallback callback,
-             gpointer            callback_user_data)
+void
+nm_firewall_nft_call(GBytes             *stdin_buf,
+                     GCancellable       *cancellable,
+                     GAsyncReadyCallback callback,
+                     gpointer            callback_user_data)
 {
     gs_unref_object GSubprocessLauncher *subprocess_launcher = NULL;
     gs_free_error GError                *error               = NULL;
     FwNftCallData                       *call_data;
+    gs_free char                        *ss1 = NULL;
 
     call_data  = g_slice_new(FwNftCallData);
     *call_data = (FwNftCallData){
-        .task       = nm_g_task_new(NULL, cancellable, _fw_nft_call, callback, callback_user_data),
-        .subprocess = NULL,
+        .task =
+            nm_g_task_new(NULL, cancellable, nm_firewall_nft_call, callback, callback_user_data),
+        .subprocess     = NULL,
         .timeout_source = NULL,
     };
 
+    nm_log_trace(LOGD_SHARING,
+                 "firewall: nft: call command: [ '%s' ]",
+                 nm_utils_buf_utf8safe_escape_bytes(stdin_buf,
+                                                    NM_UTILS_STR_UTF8_SAFE_FLAG_ESCAPE_CTRL,
+                                                    &ss1));
+
     if (cancellable) {
         call_data->cancellable_id = g_cancellable_connect(cancellable,
                                                           G_CALLBACK(_fw_nft_call_cancelled_cb),
@@ -554,10 +573,10 @@ _fw_nft_call(GBytes             *stdin_buf,
                            g_task_get_context(call_data->task));
 }
 
-static gboolean
-_fw_nft_call_finish(GAsyncResult *result, GError **error)
+gboolean
+nm_firewall_nft_call_finish(GAsyncResult *result, GError **error)
 {
-    g_return_val_if_fail(nm_g_task_is_valid(result, NULL, _fw_nft_call), FALSE);
+    g_return_val_if_fail(nm_g_task_is_valid(result, NULL, nm_firewall_nft_call), FALSE);
 
     return g_task_propagate_boolean(G_TASK(result), error);
 }
@@ -575,7 +594,7 @@ _fw_nft_call_sync_done(GObject *source, GAsyncResult *result, gpointer user_data
 {
     FwNftCallSyncData *data = user_data;
 
-    data->success = _fw_nft_call_finish(result, data->error);
+    data->success = nm_firewall_nft_call_finish(result, data->error);
     g_main_loop_quit(data->loop);
 }
 
@@ -590,7 +609,7 @@ _fw_nft_call_sync(GBytes *stdin_buf, GError **error)
                               .error = error,
     };
 
-    _fw_nft_call(stdin_buf, NULL, _fw_nft_call_sync_done, &data);
+    nm_firewall_nft_call(stdin_buf, NULL, _fw_nft_call_sync_done, &data);
 
     g_main_loop_run(main_loop);
     return data.success;
@@ -598,25 +617,30 @@ _fw_nft_call_sync(GBytes *stdin_buf, GError **error)
 
 /*****************************************************************************/
 
+#define _append(p_strbuf, fmt, ...) nm_str_buf_append_printf((p_strbuf), "" fmt "\n", ##__VA_ARGS__)
+
 static void
-_fw_nft_set(gboolean add, const char *ip_iface, in_addr_t addr, guint8 plen)
+_fw_nft_append_cmd_table(NMStrBuf *strbuf, const char *family, const char *table_name, gboolean up)
+{
+    /* Either delete the table, or create/flush it. */
+    _append(strbuf, "add table %s %s", family, table_name);
+    _append(strbuf, "%s table %s %s", up ? "flush" : "delete", family, table_name);
+}
+
+static GBytes *
+_fw_nft_set_shared_construct(gboolean up, const char *ip_iface, in_addr_t addr, guint8 plen)
 {
     nm_auto_str_buf NMStrBuf strbuf = NM_STR_BUF_INIT(NM_UTILS_GET_NEXT_REALLOC_SIZE_1000, FALSE);
-    gs_unref_bytes GBytes   *stdin_buf  = NULL;
     gs_free char            *table_name = NULL;
-    gs_free char            *ss1        = NULL;
     char                     str_subnet[_SHARE_IPTABLES_SUBNET_TO_STR_LEN];
 
     table_name = _share_iptables_get_name(FALSE, "nm-shared", ip_iface);
 
     _share_iptables_subnet_to_str(str_subnet, addr, plen);
 
-#define _append(p_strbuf, fmt, ...) nm_str_buf_append_printf((p_strbuf), "" fmt "\n", ##__VA_ARGS__)
-
-    _append(&strbuf, "add table ip %s", table_name);
-    _append(&strbuf, "%s table ip %s", add ? "flush" : "delete", table_name);
+    _fw_nft_append_cmd_table(&strbuf, "ip", table_name, up);
 
-    if (add) {
+    if (up) {
         _append(&strbuf,
                 "add chain ip %s nat_postrouting {"
                 " type nat hook postrouting priority 100; policy accept; "
@@ -631,16 +655,15 @@ _fw_nft_set(gboolean add, const char *ip_iface, in_addr_t addr, guint8 plen)
         /* This filter_input chain serves no real purpose, because "accept" only stops
          * evaluation of the current rule. It cannot fully accept the packet. Since
          * this chain has no other rules, it is useless in this form.
+         *
+         * _append(&strbuf,
+         *         "add chain ip %s filter_input {"
+         *         " type filter hook input priority 0; policy accept; "
+         *         "};",
+         *         table_name);
+         * _append(&strbuf, "add rule ip %s filter_input tcp dport { 67, 53 } accept;", table_name);
+         * _append(&strbuf, "add rule ip %s filter_input udp dport { 67, 53 } accept;", table_name);
          */
-        /*
-        _append(&strbuf,
-                "add chain ip %s filter_input {"
-                " type filter hook input priority 0; policy accept; "
-                "};",
-                table_name);
-        _append(&strbuf, "add rule ip %s filter_input tcp dport { 67, 53 } accept;", table_name);
-        _append(&strbuf, "add rule ip %s filter_input udp dport { 67, 53 } accept;", table_name);
-        */
 
         _append(&strbuf,
                 "add chain ip %s filter_forward {"
@@ -673,14 +696,7 @@ _fw_nft_set(gboolean add, const char *ip_iface, in_addr_t addr, guint8 plen)
                 ip_iface);
     }
 
-    nm_log_trace(LOGD_SHARING,
-                 "firewall: nft command: [ %s ]",
-                 nm_utils_str_utf8safe_escape(nm_str_buf_get_str(&strbuf),
-                                              NM_UTILS_STR_UTF8_SAFE_FLAG_ESCAPE_CTRL,
-                                              &ss1));
-
-    stdin_buf = nm_str_buf_finalize_to_gbytes(&strbuf);
-    _fw_nft_call_sync(stdin_buf, NULL);
+    return nm_str_buf_finalize_to_gbytes(&strbuf);
 }
 
 /*****************************************************************************/
@@ -692,7 +708,7 @@ struct _NMFirewallConfig {
 };
 
 NMFirewallConfig *
-nm_firewall_config_new(const char *ip_iface, in_addr_t addr, guint8 plen)
+nm_firewall_config_new_shared(const char *ip_iface, in_addr_t addr, guint8 plen)
 {
     NMFirewallConfig *self;
 
@@ -719,17 +735,24 @@ nm_firewall_config_free(NMFirewallConfig *self)
     nm_g_slice_free(self);
 }
 
+/*****************************************************************************/
+
 void
-nm_firewall_config_apply(NMFirewallConfig *self, gboolean shared)
+nm_firewall_config_apply_sync(NMFirewallConfig *self, gboolean up)
 {
     switch (nm_firewall_utils_get_backend()) {
     case NM_FIREWALL_BACKEND_IPTABLES:
-        _share_iptables_set_masquerade(shared, self->ip_iface, self->addr, self->plen);
-        _share_iptables_set_shared(shared, self->ip_iface, self->addr, self->plen);
+        _share_iptables_set_masquerade_sync(up, self->ip_iface, self->addr, self->plen);
+        _share_iptables_set_shared_sync(up, self->ip_iface, self->addr, self->plen);
         break;
     case NM_FIREWALL_BACKEND_NFTABLES:
-        _fw_nft_set(shared, self->ip_iface, self->addr, self->plen);
+    {
+        gs_unref_bytes GBytes *stdin_buf = NULL;
+
+        stdin_buf = _fw_nft_set_shared_construct(up, self->ip_iface, self->addr, self->plen);
+        _fw_nft_call_sync(stdin_buf, NULL);
         break;
+    }
     case NM_FIREWALL_BACKEND_NONE:
         break;
     default:
diff --git a/src/core/nm-firewall-utils.h b/src/core/nm-firewall-utils.h
index 3d6c8a69..9d883fea 100644
--- a/src/core/nm-firewall-utils.h
+++ b/src/core/nm-firewall-utils.h
@@ -20,10 +20,19 @@ NMFirewallBackend nm_firewall_utils_get_backend(void);
 
 typedef struct _NMFirewallConfig NMFirewallConfig;
 
-NMFirewallConfig *nm_firewall_config_new(const char *ip_iface, in_addr_t addr, guint8 plen);
+NMFirewallConfig *nm_firewall_config_new_shared(const char *ip_iface, in_addr_t addr, guint8 plen);
 
 void nm_firewall_config_free(NMFirewallConfig *self);
 
-void nm_firewall_config_apply(NMFirewallConfig *self, gboolean shared);
+void nm_firewall_config_apply_sync(NMFirewallConfig *self, gboolean up);
+
+/*****************************************************************************/
+
+void nm_firewall_nft_call(GBytes             *stdin_buf,
+                          GCancellable       *cancellable,
+                          GAsyncReadyCallback callback,
+                          gpointer            callback_user_data);
+
+gboolean nm_firewall_nft_call_finish(GAsyncResult *result, GError **error);
 
 #endif /* __NM_FIREWALL_UTILS_H__ */
diff --git a/src/core/nm-policy.c b/src/core/nm-policy.c
index 16b0211f..518fc596 100644
--- a/src/core/nm-policy.c
+++ b/src/core/nm-policy.c
@@ -797,6 +797,20 @@ device_dns_lookup_done(NMDevice *device, gpointer user_data)
 }
 
 static void
+device_carrier_changed(NMDevice *device, GParamSpec *pspec, gpointer user_data)
+{
+    NMPolicyPrivate *priv = user_data;
+    NMPolicy        *self = _PRIV_TO_SELF(priv);
+    gs_free char    *msg  = NULL;
+
+    if (nm_device_has_carrier(device)) {
+        g_signal_handlers_disconnect_by_func(device, device_carrier_changed, priv);
+        msg = g_strdup_printf("device '%s' got carrier", nm_device_get_iface(device));
+        update_system_hostname(self, msg);
+    }
+}
+
+static void
 update_system_hostname(NMPolicy *self, const char *msg)
 {
     NMPolicyPrivate       *priv = NM_POLICY_GET_PRIVATE(self);
@@ -880,6 +894,7 @@ update_system_hostname(NMPolicy *self, const char *msg)
         info        = &g_array_index(infos, DeviceHostnameInfo, i);
         addr_family = info->IS_IPv4 ? AF_INET : AF_INET6;
         g_signal_handlers_disconnect_by_func(info->device, device_dns_lookup_done, self);
+        g_signal_handlers_disconnect_by_func(info->device, device_carrier_changed, priv);
 
         if (info->from_dhcp) {
             dhcp_config = nm_device_get_dhcp_config(info->device, addr_family);
@@ -905,10 +920,18 @@ update_system_hostname(NMPolicy *self, const char *msg)
 
         if (priv->hostname_mode != NM_POLICY_HOSTNAME_MODE_DHCP) {
             if (info->from_dns) {
-                const char *result;
-                gboolean    wait = FALSE;
+                const char *result = NULL;
+                gboolean    wait   = FALSE;
 
-                result = nm_device_get_hostname_from_dns_lookup(info->device, addr_family, &wait);
+                if (nm_device_has_carrier(info->device)) {
+                    result =
+                        nm_device_get_hostname_from_dns_lookup(info->device, addr_family, &wait);
+                } else {
+                    g_signal_connect(info->device,
+                                     "notify::" NM_DEVICE_CARRIER,
+                                     G_CALLBACK(device_carrier_changed),
+                                     priv);
+                }
                 if (result) {
                     _set_hostname(self, result, "from address lookup");
                     return;
@@ -1556,6 +1579,7 @@ nm_policy_unblock_failed_ovs_interfaces(NMPolicy *self)
     NMPolicyPrivate             *priv        = NM_POLICY_GET_PRIVATE(self);
     NMSettingsConnection *const *connections = NULL;
     guint                        i;
+    gboolean                     multiconnect = FALSE;
 
     _LOGT(LOGD_DEVICE, "unblocking failed OVS interfaces");
 
@@ -1563,6 +1587,13 @@ nm_policy_unblock_failed_ovs_interfaces(NMPolicy *self)
     for (i = 0; connections[i]; i++) {
         NMSettingsConnection *sett_conn  = connections[i];
         NMConnection         *connection = nm_settings_connection_get_connection(sett_conn);
+        NMSettingConnection  *s_con      = nm_connection_get_setting_connection(connection);
+
+        /* Check if any connection is connect multiple */
+        if (s_con
+            && nm_setting_connection_get_multi_connect(s_con)
+                   == NM_CONNECTION_MULTI_CONNECT_MULTIPLE)
+            multiconnect = TRUE;
 
         if (nm_connection_get_setting_ovs_interface(connection)) {
             nm_settings_connection_autoconnect_retries_reset(sett_conn);
@@ -1572,6 +1603,18 @@ nm_policy_unblock_failed_ovs_interfaces(NMPolicy *self)
                 FALSE);
         }
     }
+
+    /* There is, at least, one multiconnect connection with an OVS setting.
+     * Let's check the OVS devices retries */
+    if (multiconnect) {
+        NMDevice      *device;
+        GHashTableIter h_iter;
+        g_hash_table_iter_init(&h_iter, priv->devices);
+        while (g_hash_table_iter_next(&h_iter, (gpointer *) &device, NULL)) {
+            if (nm_device_get_device_type(device) == NM_DEVICE_TYPE_OVS_INTERFACE)
+                nm_device_autoconnect_retries_reset(device);
+        }
+    }
 }
 
 static gboolean
@@ -1583,7 +1626,8 @@ reset_autoconnect_all(
     NMPolicyPrivate             *priv        = NM_POLICY_GET_PRIVATE(self);
     NMSettingsConnection *const *connections = NULL;
     guint                        i;
-    gboolean                     changed = FALSE;
+    gboolean                     changed      = FALSE;
+    gboolean                     multiconnect = FALSE;
 
     _LOGD(LOGD_DEVICE,
           "re-enabling autoconnect for all connections%s%s%s",
@@ -1594,6 +1638,8 @@ reset_autoconnect_all(
     connections = nm_settings_get_connections(priv->settings, NULL);
     for (i = 0; connections[i]; i++) {
         NMSettingsConnection *sett_conn = connections[i];
+        NMSettingConnection  *s_con =
+            nm_connection_get_setting_connection(nm_settings_connection_get_connection(sett_conn));
 
         if (device
             && !nm_device_check_connection_compatible(
@@ -1602,6 +1648,11 @@ reset_autoconnect_all(
                 NULL))
             continue;
 
+        if (s_con
+            && nm_setting_connection_get_multi_connect(s_con)
+                   == NM_CONNECTION_MULTI_CONNECT_MULTIPLE)
+            multiconnect = TRUE;
+
         if (only_no_secrets) {
             /* we only reset the no-secrets blocked flag. */
             if (nm_settings_connection_autoconnect_blocked_reason_set(
@@ -1630,6 +1681,20 @@ reset_autoconnect_all(
             }
         }
     }
+
+    /* There is, at least, one multiconnect connection. Let's check the devices retries */
+    if (multiconnect) {
+        NMDevice      *device_iter;
+        GHashTableIter h_iter;
+        g_hash_table_iter_init(&h_iter, priv->devices);
+        while (g_hash_table_iter_next(&h_iter, (gpointer *) &device_iter, NULL)) {
+            if (nm_device_get_autoconnect_retries(device_iter) != -2) {
+                nm_device_autoconnect_retries_reset(device_iter);
+                changed = TRUE;
+            }
+        }
+    }
+
     return changed;
 }
 
@@ -1687,7 +1752,8 @@ reset_connections_retries(gpointer user_data)
     NMSettingsConnection *const *connections = NULL;
     guint                        i;
     gint32                       con_stamp, min_stamp, now;
-    gboolean                     changed = FALSE;
+    gboolean                     changed      = FALSE;
+    gboolean                     multiconnect = FALSE;
 
     priv->reset_retries_id = 0;
 
@@ -1696,6 +1762,14 @@ reset_connections_retries(gpointer user_data)
     connections = nm_settings_get_connections(priv->settings, NULL);
     for (i = 0; connections[i]; i++) {
         NMSettingsConnection *connection = connections[i];
+        NMSettingConnection  *s_con =
+            nm_connection_get_setting_connection(nm_settings_connection_get_connection(connection));
+
+        /* Check if any connection is connect multiple */
+        if (s_con
+            && nm_setting_connection_get_multi_connect(s_con)
+                   == NM_CONNECTION_MULTI_CONNECT_MULTIPLE)
+            multiconnect = TRUE;
 
         con_stamp = nm_settings_connection_autoconnect_retries_blocked_until(connection);
         if (con_stamp == 0)
@@ -1708,6 +1782,25 @@ reset_connections_retries(gpointer user_data)
             min_stamp = con_stamp;
     }
 
+    /* There is, at least, one multiconnect connection. Let's check the devices retries */
+    if (multiconnect) {
+        NMDevice      *device;
+        GHashTableIter h_iter;
+        g_hash_table_iter_init(&h_iter, priv->devices);
+        while (g_hash_table_iter_next(&h_iter, (gpointer *) &device, NULL)) {
+            con_stamp = nm_device_autoconnect_retries_blocked_until(device);
+
+            /* default value in device is -2, which means, we do not care */
+            if (con_stamp <= 0)
+                continue;
+            if (con_stamp <= now) {
+                nm_device_autoconnect_retries_reset(device);
+                changed = TRUE;
+            } else if (min_stamp == 0 || min_stamp > con_stamp)
+                min_stamp = con_stamp;
+        }
+    }
+
     /* Schedule the handler again if there are some stamps left */
     if (min_stamp != 0)
         priv->reset_retries_id =
@@ -1721,21 +1814,31 @@ reset_connections_retries(gpointer user_data)
 }
 
 static void
-_connection_autoconnect_retries_set(NMPolicy *self, NMSettingsConnection *connection, int tries)
+_connection_autoconnect_retries_set(NMPolicy             *self,
+                                    NMSettingsConnection *connection,
+                                    NMDevice             *device,
+                                    int                   tries)
 {
-    NMPolicyPrivate *priv = NM_POLICY_GET_PRIVATE(self);
+    NMPolicyPrivate     *priv = NM_POLICY_GET_PRIVATE(self);
+    NMSettingConnection *s_con;
+    gint32               retry_time;
 
     nm_assert(NM_IS_SETTINGS_CONNECTION(connection));
     nm_assert(tries >= 0);
 
-    nm_settings_connection_autoconnect_retries_set(connection, tries);
+    s_con = nm_connection_get_setting_connection(nm_settings_connection_get_connection(connection));
+    if (s_con
+        && nm_setting_connection_get_multi_connect(s_con) == NM_CONNECTION_MULTI_CONNECT_MULTIPLE) {
+        nm_device_set_autoconnect_retries(device, tries);
+        retry_time = nm_device_autoconnect_retries_blocked_until(device);
+    } else {
+        nm_settings_connection_autoconnect_retries_set(connection, tries);
+        retry_time = nm_settings_connection_autoconnect_retries_blocked_until(connection);
+    }
 
     if (tries == 0) {
         /* Schedule a handler to reset retries count */
         if (!priv->reset_retries_id) {
-            gint32 retry_time =
-                nm_settings_connection_autoconnect_retries_blocked_until(connection);
-
             g_warn_if_fail(retry_time != 0);
             priv->reset_retries_id =
                 g_timeout_add_seconds(MAX(0, retry_time - nm_utils_get_monotonic_timestamp_sec()),
@@ -1997,13 +2100,25 @@ device_state_changed(NMDevice           *device,
             }
 
             if (!blocked) {
-                tries = nm_settings_connection_autoconnect_retries_get(sett_conn);
+                s_con = nm_connection_get_setting_connection(
+                    nm_settings_connection_get_connection(sett_conn));
+                if (s_con
+                    && nm_setting_connection_get_multi_connect(s_con)
+                           == NM_CONNECTION_MULTI_CONNECT_MULTIPLE) {
+                    if (nm_device_get_autoconnect_retries(device) == -2)
+                        nm_device_set_autoconnect_retries(
+                            device,
+                            nm_settings_connection_autoconnect_retries_get(sett_conn));
+
+                    tries = nm_device_get_autoconnect_retries(device);
+                } else
+                    tries = nm_settings_connection_autoconnect_retries_get(sett_conn);
                 if (tries > 0) {
                     _LOGD(LOGD_DEVICE,
                           "connection '%s' failed to autoconnect; %d tries left",
                           nm_settings_connection_get_id(sett_conn),
                           tries - 1);
-                    _connection_autoconnect_retries_set(self, sett_conn, tries - 1);
+                    _connection_autoconnect_retries_set(self, sett_conn, device, tries - 1);
                 } else if (tries != 0) {
                     _LOGD(LOGD_DEVICE,
                           "connection '%s' failed to autoconnect; infinite tries left",
@@ -2893,7 +3008,7 @@ dispose(GObject *object)
     }
 
     g_hash_table_iter_init(&h_iter, priv->devices);
-    if (g_hash_table_iter_next(&h_iter, (gpointer *) &device, NULL)) {
+    while (g_hash_table_iter_next(&h_iter, (gpointer *) &device, NULL)) {
         g_hash_table_iter_remove(&h_iter);
         devices_list_unregister(self, device);
     }
diff --git a/src/core/settings/plugins/ifcfg-rh/nms-ifcfg-rh-reader.c b/src/core/settings/plugins/ifcfg-rh/nms-ifcfg-rh-reader.c
index 6452d72a..4d8e7bd6 100644
--- a/src/core/settings/plugins/ifcfg-rh/nms-ifcfg-rh-reader.c
+++ b/src/core/settings/plugins/ifcfg-rh/nms-ifcfg-rh-reader.c
@@ -5355,59 +5355,41 @@ wired_connection_from_ifcfg(const char *file, shvarFile *ifcfg, GError **error)
 static gboolean
 parse_infiniband_p_key(shvarFile *ifcfg, int *out_p_key, char **out_parent, GError **error)
 {
-    char    *device = NULL, *physdev = NULL, *pkey_id = NULL;
-    char    *ifname = NULL;
-    int      id;
-    gboolean ret = FALSE;
-
-    device = svGetValueStr_cp(ifcfg, "DEVICE");
-    if (!device) {
-        PARSE_WARNING("InfiniBand connection specified PKEY but not DEVICE");
-        goto done;
-    }
+    gs_free char *physdev = NULL;
+    gs_free char *pkey_id = NULL;
+    int           id;
 
     physdev = svGetValueStr_cp(ifcfg, "PHYSDEV");
     if (!physdev) {
-        PARSE_WARNING("InfiniBand connection specified PKEY but not PHYSDEV");
-        goto done;
+        g_set_error(error,
+                    NM_SETTINGS_ERROR,
+                    NM_SETTINGS_ERROR_INVALID_CONNECTION,
+                    "infiniband connection specified PKEY but not PHYSDEV");
+        return FALSE;
     }
 
     pkey_id = svGetValueStr_cp(ifcfg, "PKEY_ID");
     if (!pkey_id) {
-        PARSE_WARNING("InfiniBand connection specified PKEY but not PKEY_ID");
-        goto done;
+        g_set_error(error,
+                    NM_SETTINGS_ERROR,
+                    NM_SETTINGS_ERROR_INVALID_CONNECTION,
+                    "infiniband connection specified PKEY but not PKEY_ID");
+        return FALSE;
     }
 
     id = _nm_utils_ascii_str_to_int64(pkey_id, 0, 0, 0xFFFF, -1);
     if (id == -1) {
-        PARSE_WARNING("invalid InfiniBand PKEY_ID '%s'", pkey_id);
-        goto done;
-    }
-    id = (id | 0x8000);
-
-    ifname = g_strdup_printf("%s.%04x", physdev, (unsigned) id);
-    if (strcmp(device, ifname) != 0) {
-        PARSE_WARNING("InfiniBand DEVICE (%s) does not match PHYSDEV+PKEY_ID (%s)", device, ifname);
-        goto done;
-    }
-
-    *out_p_key  = id;
-    *out_parent = g_strdup(physdev);
-    ret         = TRUE;
-
-done:
-    g_free(device);
-    g_free(physdev);
-    g_free(pkey_id);
-    g_free(ifname);
-
-    if (!ret) {
         g_set_error(error,
                     NM_SETTINGS_ERROR,
                     NM_SETTINGS_ERROR_INVALID_CONNECTION,
-                    "Failed to create InfiniBand setting");
+                    "invalid infiniband PKEY_ID '%s'",
+                    pkey_id);
+        return FALSE;
     }
-    return ret;
+
+    *out_p_key  = id;
+    *out_parent = g_steal_pointer(&physdev);
+    return TRUE;
 }
 
 static NMSetting *
diff --git a/src/core/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-test-ipoib b/src/core/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-test-ipoib
new file mode 100644
index 00000000..b45da5f7
--- /dev/null
+++ b/src/core/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-test-ipoib
@@ -0,0 +1,9 @@
+TYPE=InfiniBand
+PKEY=yes
+PKEY_ID=12
+PHYSDEV=ib0
+CONNECTED_MODE=yes
+IPADDR=192.168.2.2
+NETMASK=255.255.255.0
+GATEWAY=192.168.2.1
+NAME=ib012
diff --git a/src/core/settings/plugins/ifcfg-rh/tests/test-ifcfg-rh.c b/src/core/settings/plugins/ifcfg-rh/tests/test-ifcfg-rh.c
index 9fdae4bd..f9fd7fd5 100644
--- a/src/core/settings/plugins/ifcfg-rh/tests/test-ifcfg-rh.c
+++ b/src/core/settings/plugins/ifcfg-rh/tests/test-ifcfg-rh.c
@@ -8211,8 +8211,35 @@ test_read_infiniband(void)
 }
 
 static void
-test_write_infiniband(void)
+test_read_ipoib(void)
 {
+    gs_unref_object NMConnection *connection = NULL;
+    NMSettingInfiniband          *s_infiniband;
+    char                         *unmanaged = NULL;
+    const char                   *transport_mode;
+    int                           pkey;
+
+    connection = _connection_from_file(TEST_IFCFG_DIR "/ifcfg-test-ipoib",
+                                       NULL,
+                                       TYPE_INFINIBAND,
+                                       &unmanaged);
+    g_assert(!unmanaged);
+
+    s_infiniband = nmtst_connection_assert_setting(connection, NM_TYPE_SETTING_INFINIBAND);
+
+    pkey = nm_setting_infiniband_get_p_key(s_infiniband);
+    g_assert(pkey);
+    g_assert_cmpint(pkey, ==, 12);
+
+    transport_mode = nm_setting_infiniband_get_transport_mode(s_infiniband);
+    g_assert(transport_mode);
+    g_assert_cmpstr(transport_mode, ==, "connected");
+}
+
+static void
+test_write_infiniband(gconstpointer test_data)
+{
+    const int                     TEST_IDX   = GPOINTER_TO_INT(test_data);
     nmtst_auto_unlinkfile char   *testfile   = NULL;
     gs_unref_object NMConnection *connection = NULL;
     gs_unref_object NMConnection *reread     = NULL;
@@ -8223,14 +8250,15 @@ test_write_infiniband(void)
     const char  *mac = "80:00:11:22:33:44:55:66:77:88:99:aa:bb:cc:dd:ee:ff:00:11:22";
     guint32      mtu = 65520;
     NMIPAddress *addr;
-    GError      *error = NULL;
+    GError      *error          = NULL;
+    const char  *interface_name = NULL;
 
     connection = nm_simple_connection_new();
 
     s_con = _nm_connection_new_setting(connection, NM_TYPE_SETTING_CONNECTION);
     g_object_set(s_con,
                  NM_SETTING_CONNECTION_ID,
-                 "Test Write InfiniBand",
+                 "Test Write Infiniband",
                  NM_SETTING_CONNECTION_UUID,
                  nm_uuid_generate_random_str_a(),
                  NM_SETTING_CONNECTION_AUTOCONNECT,
@@ -8239,15 +8267,28 @@ test_write_infiniband(void)
                  NM_SETTING_INFINIBAND_SETTING_NAME,
                  NULL);
 
+    if (NM_IN_SET(TEST_IDX, 1, 3))
+        interface_name = "ib0.000c";
+
+    g_object_set(s_con, NM_SETTING_CONNECTION_INTERFACE_NAME, interface_name, NULL);
+
     s_infiniband = _nm_connection_new_setting(connection, NM_TYPE_SETTING_INFINIBAND);
-    g_object_set(s_infiniband,
-                 NM_SETTING_INFINIBAND_MAC_ADDRESS,
-                 mac,
-                 NM_SETTING_INFINIBAND_MTU,
-                 mtu,
-                 NM_SETTING_INFINIBAND_TRANSPORT_MODE,
-                 "connected",
-                 NULL);
+    g_object_set(s_infiniband, NM_SETTING_INFINIBAND_TRANSPORT_MODE, "connected", NULL);
+    if (NM_IN_SET(TEST_IDX, 1, 2)) {
+        g_object_set(s_infiniband,
+                     NM_SETTING_INFINIBAND_MAC_ADDRESS,
+                     mac,
+                     NM_SETTING_INFINIBAND_MTU,
+                     mtu,
+                     NULL);
+    } else {
+        g_object_set(s_infiniband,
+                     NM_SETTING_INFINIBAND_P_KEY,
+                     12,
+                     NM_SETTING_INFINIBAND_PARENT,
+                     "ib0",
+                     NULL);
+    }
 
     s_ip4 = _nm_connection_new_setting(connection, NM_TYPE_SETTING_IP4_CONFIG);
     g_object_set(s_ip4,
@@ -8267,6 +8308,9 @@ test_write_infiniband(void)
     s_ip6 = _nm_connection_new_setting(connection, NM_TYPE_SETTING_IP6_CONFIG);
     g_object_set(s_ip6, NM_SETTING_IP_CONFIG_METHOD, NM_SETTING_IP6_CONFIG_METHOD_IGNORE, NULL);
 
+    if (nmtst_get_rand_bool())
+        nmtst_connection_normalize(connection);
+
     nmtst_assert_connection_verifies(connection);
 
     _writer_new_connection(connection, TEST_SCRATCH_DIR, &testfile);
@@ -8274,6 +8318,8 @@ test_write_infiniband(void)
     reread = _connection_from_file(testfile, NULL, TYPE_INFINIBAND, NULL);
 
     nmtst_assert_connection_equals(connection, TRUE, reread, FALSE);
+
+    g_assert_cmpstr(interface_name, ==, nm_connection_get_interface_name(reread));
 }
 
 static void
@@ -10446,6 +10492,7 @@ main(int argc, char **argv)
     g_test_add_func(TPATH "wifi/read/wep-no-keys", test_read_wifi_wep_no_keys);
     g_test_add_func(TPATH "wifi/read/wep-agent-keys", test_read_wifi_wep_agent_keys);
     g_test_add_func(TPATH "infiniband/read", test_read_infiniband);
+    g_test_add_func(TPATH "ipoib/read", test_read_ipoib);
     g_test_add_func(TPATH "vlan/read", test_read_vlan_interface);
     g_test_add_func(TPATH "vlan/read-flags-1", test_read_vlan_flags_1);
     g_test_add_func(TPATH "vlan/read-flags-2", test_read_vlan_flags_2);
@@ -10582,7 +10629,10 @@ main(int argc, char **argv)
     g_test_add_func(TPATH "permissions/read", test_read_permissions);
     g_test_add_func(TPATH "permissions/write", test_write_permissions);
     g_test_add_func(TPATH "wifi/write-wep-agent-keys", test_write_wifi_wep_agent_keys);
-    g_test_add_func(TPATH "infiniband/write", test_write_infiniband);
+    g_test_add_data_func(TPATH "infiniband/write/1", GINT_TO_POINTER(1), test_write_infiniband);
+    g_test_add_data_func(TPATH "infiniband/write/2", GINT_TO_POINTER(2), test_write_infiniband);
+    g_test_add_data_func(TPATH "infiniband/write/3", GINT_TO_POINTER(3), test_write_infiniband);
+    g_test_add_data_func(TPATH "infiniband/write/4", GINT_TO_POINTER(4), test_write_infiniband);
     g_test_add_func(TPATH "vlan/write", test_write_vlan);
     g_test_add_func(TPATH "vlan/write-flags", test_write_vlan_flags);
     g_test_add_func(TPATH "vlan/write-only-vlanid", test_write_vlan_only_vlanid);