IPADM_IF_CLASS_REGULAR
{ "IP", IPADM_IF_CLASS_REGULAR, IPADM_ALL_BITS},
ifarg.ia_ifclass = IPADM_IF_CLASS_REGULAR;
ifp->ifi_class = IPADM_IF_CLASS_REGULAR;
ific->ifi_class = IPADM_IF_CLASS_REGULAR;