NEIGH_UPDATE_F_ISROUTER
ndm_flags |= (flags & NEIGH_UPDATE_F_ISROUTER) ? NTF_ROUTER : 0;
flags |= NEIGH_UPDATE_F_ISROUTER;
(msg->icmph.icmp6_router ? NEIGH_UPDATE_F_ISROUTER : 0),
NEIGH_UPDATE_F_ISROUTER,
NEIGH_UPDATE_F_ISROUTER)),