[   10.066469] nft (5204) used greatest stack depth: 12048 bytes left
[   52.462383] nft (13059) used greatest stack depth: 12016 bytes left
[   63.573123] nft (14702) used greatest stack depth: 11912 bytes left
[   63.625101] nft (14735) used greatest stack depth: 11888 bytes left