RTPRF_OURS
if (rt->rt_flags & RTPRF_OURS) {
rt->rt_flags &= ~RTPRF_OURS;
if ((rt->rt_flags & (RTF_WASCLONED | RTPRF_OURS)) != RTF_WASCLONED)
rt->rt_flags |= RTPRF_OURS;
if (rt->rt_flags & RTPRF_OURS) {