[    2.123029] nft (260) used greatest stack depth: 12520 bytes left
[    8.691557] ip (684) used greatest stack depth: 12456 bytes left
[    9.391888] ip (813) used greatest stack depth: 12376 bytes left
[   37.024626] ip (7419) used greatest stack depth: 12328 bytes left
[  238.884465] ip (24572) used greatest stack depth: 12200 bytes left