[    2.113557] nft (260) used greatest stack depth: 12504 bytes left
[    8.709562] ip (683) used greatest stack depth: 12392 bytes left
[   94.652161] ip (11317) used greatest stack depth: 12328 bytes left
[  243.945178] ip (22217) used greatest stack depth: 12232 bytes left
[  252.714739] ip (24549) used greatest stack depth: 12200 bytes left