[   10.218200] nft (5356) used greatest stack depth: 12160 bytes left
[   12.345722] nft (5358) used greatest stack depth: 12112 bytes left
[   63.541413] nft (14896) used greatest stack depth: 11984 bytes left
[   63.598248] nft (14929) used greatest stack depth: 11944 bytes left