[    1.978990] nft (261) used greatest stack depth: 12472 bytes left
[    8.370084] ip (812) used greatest stack depth: 12344 bytes left
[   32.204252] ip (6192) used greatest stack depth: 12280 bytes left
[  101.631702] ip (13242) used greatest stack depth: 12200 bytes left
[  234.894919] ip (24715) used greatest stack depth: 12168 bytes left