[    2.607801] nft (211) used greatest stack depth: 12528 bytes left
[    5.206023] nft (933) used greatest stack depth: 12432 bytes left
[   49.197364] nft (12452) used greatest stack depth: 12072 bytes left
[   58.943558] nft (14037) used greatest stack depth: 11944 bytes left
[   62.659331] nft (14468) used greatest stack depth: 11920 bytes left