[    1.800680] nft (261) used greatest stack depth: 12552 bytes left
[    8.195479] ip (684) used greatest stack depth: 12408 bytes left
[   81.231693] ip (11133) used greatest stack depth: 12296 bytes left
[  224.957185] ip (21847) used greatest stack depth: 12216 bytes left
[  254.963310] ip (575) used greatest stack depth: 12200 bytes left