The NMSettingLoopback object is a NMSetting subclass that describes properties necessary for connection to loopback devices
NMSetting *
nm_setting_loopback_new (void);
Creates a new NMSettingLoopback object with default values.
Since: 1.42
guint32
nm_setting_loopback_get_mtu (NMSettingLoopback *setting);
Since: 1.42