[    2.406059] nft (261) used greatest stack depth: 12504 bytes left
[    9.147455] ip (683) used greatest stack depth: 12392 bytes left
[   84.223903] ip (11345) used greatest stack depth: 12328 bytes left
[   84.260203] ip (11351) used greatest stack depth: 12232 bytes left
[  211.578323] ip (19334) used greatest stack depth: 11944 bytes left