[   10.751805] nft (5253) used greatest stack depth: 12080 bytes left
[   53.626843] nft (12766) used greatest stack depth: 12016 bytes left
[   66.645230] nft (14792) used greatest stack depth: 11976 bytes left
[   66.703403] nft (14825) used greatest stack depth: 11952 bytes left