NEIGH_UPDATE_F_EXT_LEARNED 164 net/core/neighbour.c ndm_flags = (flags & NEIGH_UPDATE_F_EXT_LEARNED) ? NTF_EXT_LEARNED : 0; NEIGH_UPDATE_F_EXT_LEARNED 1961 net/core/neighbour.c flags |= NEIGH_UPDATE_F_EXT_LEARNED;