[   10.732131] nft (5297) used greatest stack depth: 12112 bytes left
[   52.955409] nft (12808) used greatest stack depth: 12048 bytes left
[   59.170929] nft (13956) used greatest stack depth: 11936 bytes left
[   65.670013] nft (14834) used greatest stack depth: 11896 bytes left