[    2.490509] nft (259) used greatest stack depth: 12648 bytes left
[    8.947475] nft (525) used greatest stack depth: 12632 bytes left
[   12.474706] ip (682) used greatest stack depth: 12528 bytes left
[   13.600525] ip (793) used greatest stack depth: 12360 bytes left
[   36.297890] ip (3605) used greatest stack depth: 12344 bytes left