NFTA_HASH_SEED
if (tb[NFTA_HASH_SEED]) {
priv->seed = ntohl(nla_get_be32(tb[NFTA_HASH_SEED]));
nla_put_be32(skb, NFTA_HASH_SEED, htonl(priv->seed)))
[NFTA_HASH_SEED] = { .type = NLA_U32 },