[    2.275761] nft (182) used greatest stack depth: 12520 bytes left
[    4.841856] nft (845) used greatest stack depth: 12416 bytes left
[   47.768517] nft (12403) used greatest stack depth: 12056 bytes left
[   49.693980] nft (12776) used greatest stack depth: 12048 bytes left
[   60.673949] nft (14420) used greatest stack depth: 11888 bytes left