[    9.996871] nft (5240) used greatest stack depth: 12136 bytes left
[   52.403414] nft (13128) used greatest stack depth: 12000 bytes left
[   62.994215] nft (14779) used greatest stack depth: 11976 bytes left
[   63.045707] nft (14812) used greatest stack depth: 11960 bytes left