NIU_FLAGS_PROMISC
if (np->flags & NIU_FLAGS_PROMISC)
if (np->flags & NIU_FLAGS_PROMISC)
np->flags &= ~(NIU_FLAGS_MCAST | NIU_FLAGS_PROMISC);
np->flags |= NIU_FLAGS_PROMISC;
np->flags |= NIU_FLAGS_PROMISC;