[    2.205189] nft (254) used greatest stack depth: 12784 bytes left
[    6.556364] nft (452) used greatest stack depth: 12712 bytes left
[   11.009345] ip (677) used greatest stack depth: 12672 bytes left
[   11.961180] ip (782) used greatest stack depth: 12512 bytes left
[   18.274226] ip (1528) used greatest stack depth: 12352 bytes left