[    1.999709] nft (260) used greatest stack depth: 12552 bytes left
[    2.041497] nft (263) used greatest stack depth: 12424 bytes left
[    8.916616] ip (684) used greatest stack depth: 12408 bytes left
[    9.692165] ip (812) used greatest stack depth: 12392 bytes left
[   88.175726] ip (11209) used greatest stack depth: 12296 bytes left
[  233.702377] ip (21901) used greatest stack depth: 12216 bytes left