[    2.126869] nft (258) used greatest stack depth: 12552 bytes left
[    9.191490] ip (684) used greatest stack depth: 12392 bytes left
[   88.573693] ip (11226) used greatest stack depth: 12296 bytes left
[  236.067545] ip (21918) used greatest stack depth: 12216 bytes left
[  259.682313] ip (26607) used greatest stack depth: 12200 bytes left