[   10.019321] nft (5212) used greatest stack depth: 12152 bytes left
[   12.258840] nft (5214) used greatest stack depth: 12136 bytes left
[   51.278172] nft (12695) used greatest stack depth: 12112 bytes left
[   55.138554] nft (13441) used greatest stack depth: 12096 bytes left
[   64.028422] nft (14711) used greatest stack depth: 11976 bytes left