[    2.028650] nft (260) used greatest stack depth: 12504 bytes left
[    8.165418] ip (684) used greatest stack depth: 12408 bytes left
[   24.954907] ip (5018) used greatest stack depth: 12376 bytes left
[   32.520609] ip (6122) used greatest stack depth: 12328 bytes left
[  143.993351] ip (14979) used greatest stack depth: 12232 bytes left
[  251.467034] ip (24653) used greatest stack depth: 12200 bytes left