BFE_FLAG_LINK
IFF_DRV_RUNNING || (sc->bfe_flags & BFE_FLAG_LINK) == 0)
sc->bfe_flags &= ~BFE_FLAG_LINK;
sc->bfe_flags &= ~BFE_FLAG_LINK;
sc->bfe_flags &= ~BFE_FLAG_LINK;
sc->bfe_flags |= BFE_FLAG_LINK;