[    1.835945] nft (259) used greatest stack depth: 12552 bytes left
[    8.430701] ip (684) used greatest stack depth: 12408 bytes left
[   29.365638] ip (5735) used greatest stack depth: 12392 bytes left
[   84.123701] ip (11248) used greatest stack depth: 12296 bytes left
[  230.759065] ip (24308) used greatest stack depth: 12216 bytes left
[  268.291005] ip (638) used greatest stack depth: 12200 bytes left