VNF_VUNCONF
vnd->sc_flags |= VNF_VUNCONF;
| VNF_VUNCONF | VNF_COMP | VNF_CLEARING);
while ((vnd->sc_flags & VNF_VUNCONF) == 0) {
vnd->sc_flags &= (~VNF_KTHREAD | VNF_VUNCONF);