[   10.069030] nft (5260) used greatest stack depth: 12056 bytes left
[   12.215949] nft (5262) used greatest stack depth: 12048 bytes left
[   56.638912] nft (13884) used greatest stack depth: 12016 bytes left
[   63.316959] nft (14758) used greatest stack depth: 11912 bytes left