[   47.475691] nft (12353) used greatest stack depth: 12056 bytes left
[   51.410835] nft (13099) used greatest stack depth: 12048 bytes left
[   60.619442] nft (14369) used greatest stack depth: 11912 bytes left
[   60.667390] nft (14402) used greatest stack depth: 11872 bytes left