CTA_PROTOINFO_TCP_FLAGS_REPLY
if (nla_put(skb, CTA_PROTOINFO_TCP_FLAGS_REPLY,
[CTA_PROTOINFO_TCP_FLAGS_REPLY] = { .len = sizeof(struct nf_ct_tcp_flags) },
if (tb[CTA_PROTOINFO_TCP_FLAGS_REPLY]) {
nla_data(tb[CTA_PROTOINFO_TCP_FLAGS_REPLY]);
mnl_attr_put_u16(nlh, CTA_PROTOINFO_TCP_FLAGS_REPLY, 0x0a0a);