[    2.400950] nft (254) used greatest stack depth: 12752 bytes left
[    3.349283] nft (297) used greatest stack depth: 12680 bytes left
[   11.690985] ip (678) used greatest stack depth: 12608 bytes left
[   12.811677] ip (789) used greatest stack depth: 12560 bytes left
[   19.236753] ip (1529) used greatest stack depth: 12320 bytes left