IFG_ALL
if_addgroup(ifp, IFG_ALL);
pfi_all = pfi_kif_alloc(IFG_ALL, M_WAITOK);
dyn->pfid_kif = pfi_kif_get(IFG_ALL, NULL);
if (!strcmp(ifgr->ifgr_group, IFG_ALL))
if (!strcmp(ifgl->ifgl_group->ifg_group, IFG_ALL))