RTF_UPDATING
if (ISSET(rt->rt_flags, RTF_UPDATING)) {
if (ISSET(rt->rt_flags, RTF_UPDATING) &&
if (!ISSET(rt->rt_flags, RTF_UP) || ISSET(rt->rt_flags, RTF_UPDATING)) {
rt->rt_flags |= RTF_UPDATING;
rt->rt_flags &= ~RTF_UPDATING;