[   47.621278] nft (12423) used greatest stack depth: 12056 bytes left
[   49.576865] nft (12796) used greatest stack depth: 12048 bytes left
[   60.909596] nft (14439) used greatest stack depth: 11912 bytes left
[   60.964657] nft (14472) used greatest stack depth: 11888 bytes left