[   10.013686] nft (5285) used greatest stack depth: 12136 bytes left
[   50.850176] nft (12798) used greatest stack depth: 12112 bytes left
[   63.124089] nft (14824) used greatest stack depth: 11976 bytes left
[  107.140093] nft (19756) used greatest stack depth: 11928 bytes left