[   10.028950] nft (5250) used greatest stack depth: 12056 bytes left
[   12.175968] nft (5252) used greatest stack depth: 12048 bytes left
[   50.416532] nft (12731) used greatest stack depth: 12016 bytes left
[   63.374281] nft (14747) used greatest stack depth: 11912 bytes left
[   63.425231] nft (14780) used greatest stack depth: 11624 bytes left