Symbol: IGB_VF_ALLOW_PROMISC
sys/dev/e1000/if_igb_iov.c
1355
if (mode != 0 && !(vf->flags & IGB_VF_ALLOW_PROMISC))
sys/dev/e1000/if_igb_iov.c
2066
vf->flags |= IGB_VF_ALLOW_PROMISC;