ifbrp_defpvid
bridge->inner.defpvid = cache_param.ifbrp_defpvid;
if (get_vlan_id(arg, &req.ifbrp_defpvid) < 0)
req.ifbrp_defpvid = 0;
param->ifbrp_defpvid = sc->sc_defpvid;
if (param->ifbrp_defpvid > DOT1Q_VID_MAX)
sc->sc_defpvid = param->ifbrp_defpvid;