[    2.247829] nft (181) used greatest stack depth: 12504 bytes left
[    3.770915] nft (459) used greatest stack depth: 12424 bytes left
[   12.110619] nft (5214) used greatest stack depth: 12088 bytes left
[   64.650664] nft (14319) used greatest stack depth: 12016 bytes left
[   68.225274] nft (14752) used greatest stack depth: 11976 bytes left