[   12.477549] nft (217) used greatest stack depth: 12512 bytes left
[   15.118298] nft (794) used greatest stack depth: 12480 bytes left
[   53.690464] nft (9513) used greatest stack depth: 12424 bytes left
[   59.802766] nft (12346) used greatest stack depth: 12048 bytes left
[   73.946560] nft (14362) used greatest stack depth: 11904 bytes left