[   60.889236] nft (12453) used greatest stack depth: 12056 bytes left
[   60.933001] nft (12473) used greatest stack depth: 12048 bytes left
[   75.028770] nft (14469) used greatest stack depth: 11904 bytes left
[   75.087192] nft (14502) used greatest stack depth: 11880 bytes left