[    2.647400] nft (212) used greatest stack depth: 12528 bytes left
[    3.062775] nft (287) used greatest stack depth: 12440 bytes left
[    5.586992] nft (1179) used greatest stack depth: 12432 bytes left
[    7.630762] nft (2967) used greatest stack depth: 12392 bytes left
[   49.123419] nft (12378) used greatest stack depth: 12072 bytes left
[   62.686159] nft (14394) used greatest stack depth: 11920 bytes left