[   10.851119] nft (5226) used greatest stack depth: 12080 bytes left
[   53.831040] nft (12739) used greatest stack depth: 12016 bytes left
[   66.927299] nft (14765) used greatest stack depth: 11976 bytes left
[   66.982408] nft (14798) used greatest stack depth: 11768 bytes left