[    3.465021] nft (425) used greatest stack depth: 12520 bytes left
[    5.266393] nft (1214) used greatest stack depth: 12488 bytes left
[    9.366039] nft (4917) used greatest stack depth: 12408 bytes left
[   10.179333] nft (5299) used greatest stack depth: 12136 bytes left
[   56.081149] nft (13960) used greatest stack depth: 12112 bytes left
[   62.406684] nft (14838) used greatest stack depth: 11984 bytes left