[   48.105098] nft (12413) used greatest stack depth: 12056 bytes left
[   54.571979] nft (13555) used greatest stack depth: 12048 bytes left
[   61.372041] nft (14429) used greatest stack depth: 11912 bytes left
[   61.424396] nft (14462) used greatest stack depth: 11888 bytes left