int link_add(Manager *manager, struct udev_device *device);
int link_configure(Link *link);
-int link_update_flags(Link *link, unsigned flags);
+int link_update(Link *link, sd_rtnl_message *message);
DEFINE_TRIVIAL_CLEANUP_FUNC(Link*, link_free);
#define _cleanup_link_free_ _cleanup_(link_freep)