IPVS_SVC_ATTR_FWMARK
[IPVS_SVC_ATTR_FWMARK] = { .type = NLA_U32 },
if (nla_put_u32(skb, IPVS_SVC_ATTR_FWMARK, svc->fwmark))
nla_fwmark = attrs[IPVS_SVC_ATTR_FWMARK];