NFQA_VERDICT_HDR
[NFQA_VERDICT_HDR] = { .len = sizeof(struct nfqnl_msg_verdict_hdr) },
[NFQA_VERDICT_HDR] = { .len = sizeof(struct nfqnl_msg_verdict_hdr) },
if (!nfqa[NFQA_VERDICT_HDR])
vhdr = nla_data(nfqa[NFQA_VERDICT_HDR]);
mnl_attr_put(nlh, NFQA_VERDICT_HDR, sizeof(vh), &vh);