[    6.695512] nft (2197) used greatest stack depth: 12264 bytes left
[   10.875601] nft (5270) used greatest stack depth: 12088 bytes left
[   56.579744] nft (13158) used greatest stack depth: 12016 bytes left
[   68.656030] nft (14809) used greatest stack depth: 11976 bytes left