[    1.701978] nft (259) used greatest stack depth: 12632 bytes left
[    4.499938] nft (426) used greatest stack depth: 12600 bytes left
[    8.660788] ip (684) used greatest stack depth: 12536 bytes left
[   35.773393] ip (5457) used greatest stack depth: 12360 bytes left
[   40.557832] ip (6215) used greatest stack depth: 12104 bytes left