org.freedesktop.NetworkManager.Device.Dummy org.freedesktop.NetworkManager.Device.Dummy org.freedesktop.NetworkManager.Device.Dummy Dummy Device PropertiesChanged (a{sv} properties); org.freedesktop.NetworkManager.Device.Dummy::PropertiesChanged PropertiesChanged (a{sv} properties); DEPRECATED. Use the standard "PropertiesChanged" signal from "org.freedesktop.DBus.Properties" instead which exists since version NetworkManager 1.2.0. a{sv} properties: A dictionary mapping property names to variant boxed values