[    6.543030] nft (2142) used greatest stack depth: 12264 bytes left
[   10.598011] nft (5232) used greatest stack depth: 12088 bytes left
[   60.065457] nft (13892) used greatest stack depth: 12016 bytes left
[   66.743479] nft (14770) used greatest stack depth: 11976 bytes left