[   10.770561] nft (5191) used greatest stack depth: 12080 bytes left
[   13.076874] nft (5193) used greatest stack depth: 12016 bytes left
[   68.578627] nft (14728) used greatest stack depth: 11976 bytes left
[   68.640662] nft (14761) used greatest stack depth: 11952 bytes left