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-rw-r--r--data/NetworkManager.service.in6
1 files changed, 6 insertions, 0 deletions
diff --git a/data/NetworkManager.service.in b/data/NetworkManager.service.in
index 91ebd9a3..e23b3a52 100644
--- a/data/NetworkManager.service.in
+++ b/data/NetworkManager.service.in
@@ -14,11 +14,17 @@ ExecStart=@sbindir@/NetworkManager --no-daemon
 Restart=on-failure
 # NM doesn't want systemd to kill its children for it
 KillMode=process
+
+# CAP_DAC_OVERRIDE: required to open /run/openvswitch/db.sock socket.
 CapabilityBoundingSet=CAP_NET_ADMIN CAP_DAC_OVERRIDE CAP_NET_RAW CAP_NET_BIND_SERVICE CAP_SETGID CAP_SETUID CAP_SYS_MODULE CAP_AUDIT_WRITE CAP_KILL CAP_SYS_CHROOT
 
 ProtectSystem=true
 ProtectHome=read-only
 
+# We require file descriptors for DHCP etc. When activating many interfaces,
+# the default limit of 1024 is easily reached.
+LimitNOFILE=65536
+
 [Install]
 WantedBy=multi-user.target
 Also=NetworkManager-dispatcher.service