NFQA_CFG_CMD
[NFQA_CFG_CMD] = { .len = sizeof(struct nfqnl_msg_config_cmd) },
if (nfqa[NFQA_CFG_CMD]) {
cmd = nla_data(nfqa[NFQA_CFG_CMD]);
mnl_attr_put(nlh, NFQA_CFG_CMD, sizeof(cmd), &cmd);