[    2.519716] nft (254) used greatest stack depth: 12696 bytes left
[   12.920258] ip (791) used greatest stack depth: 12640 bytes left
[   89.440899] ip (7237) used greatest stack depth: 12496 bytes left
[  108.799406] ip (10808) used greatest stack depth: 12464 bytes left
[  118.335648] ip (13314) used greatest stack depth: 12336 bytes left