[    2.440559] nft (259) used greatest stack depth: 12704 bytes left
[    7.062461] nft (446) used greatest stack depth: 12632 bytes left
[   12.447381] ip (683) used greatest stack depth: 12600 bytes left
[   13.573824] ip (793) used greatest stack depth: 12360 bytes left
[   26.323602] ip (2504) used greatest stack depth: 12344 bytes left