[    3.540040] nft (443) used greatest stack depth: 12520 bytes left
[    4.693241] nft (798) used greatest stack depth: 12480 bytes left
[    5.346148] nft (1368) used greatest stack depth: 12464 bytes left
[    9.736646] nft (5191) used greatest stack depth: 12136 bytes left
[   50.102334] nft (12702) used greatest stack depth: 12112 bytes left
[   62.514600] nft (14730) used greatest stack depth: 11976 bytes left