[    2.308738] nft (181) used greatest stack depth: 12504 bytes left
[    5.792236] nft (1482) used greatest stack depth: 12424 bytes left
[   10.576304] nft (5232) used greatest stack depth: 12080 bytes left
[   59.523052] nft (13892) used greatest stack depth: 12016 bytes left
[   66.069936] nft (14770) used greatest stack depth: 11976 bytes left