[   10.119818] nft (5203) used greatest stack depth: 12136 bytes left
[   57.025822] nft (13864) used greatest stack depth: 12112 bytes left
[   63.555251] nft (14742) used greatest stack depth: 11976 bytes left
[   63.613478] nft (14775) used greatest stack depth: 11960 bytes left