ATU_S_OK
if (sc->sc_state != ATU_S_OK)
sc->sc_state = ATU_S_OK;
if (sc->sc_state != ATU_S_OK)
if (sc->sc_state != ATU_S_OK) {
if (sc->sc_state != ATU_S_OK || (ifp->if_flags & IFF_RUNNING) == 0)