[   10.653406] nft (5268) used greatest stack depth: 12080 bytes left
[   55.473650] nft (13154) used greatest stack depth: 12016 bytes left
[   66.545065] nft (14806) used greatest stack depth: 11976 bytes left
[   66.604954] nft (14839) used greatest stack depth: 11952 bytes left