[    2.129905] nft (254) used greatest stack depth: 12696 bytes left
[   10.812501] ip (677) used greatest stack depth: 12384 bytes left
[   31.951308] ip (3272) used greatest stack depth: 12360 bytes left
[   35.983216] ip (3702) used greatest stack depth: 12352 bytes left
[  153.776889] ip (23018) used greatest stack depth: 12344 bytes left