nft_trans_flowtable_update
if (nft_trans_flowtable_update(trans))
if (nft_trans_flowtable_update(trans)) {
if (nft_trans_flowtable_update(trans)) {
if (nft_trans_flowtable_update(trans))
if (nft_trans_flowtable_update(trans)) {
if (nft_trans_flowtable_update(trans)) {
!nft_trans_flowtable_update(trans))
nft_trans_flowtable_update(trans) = true;
nft_trans_flowtable_update(trans) = true;