link_unref        304 src/network/networkd-link.c         link_unref(link);
link_unref         96 src/network/networkd-link.h Link *link_unref(Link *link);
link_unref        130 src/network/networkd-link.h DEFINE_TRIVIAL_CLEANUP_FUNC(Link*, link_unref);
link_unref        152 src/network/networkd-manager.c                 link_unref(link);
link_unref        239 src/network/networkd-netdev.c                 link_unref(callback->link);