[    2.334984] nft (178) used greatest stack depth: 12504 bytes left
[    6.809618] nft (2269) used greatest stack depth: 12488 bytes left
[   10.802396] nft (5259) used greatest stack depth: 12112 bytes left
[   53.916092] nft (12773) used greatest stack depth: 12048 bytes left
[   60.490106] nft (13921) used greatest stack depth: 11856 bytes left