NFTA_CT_EXPECT_L4PROTO
if (!tb[NFTA_CT_EXPECT_L4PROTO] ||
priv->l4proto = nla_get_u8(tb[NFTA_CT_EXPECT_L4PROTO]);
nla_put_u8(skb, NFTA_CT_EXPECT_L4PROTO, priv->l4proto) ||
[NFTA_CT_EXPECT_L4PROTO] = { .type = NLA_U8 },