[    5.572835] nft (1658) used greatest stack depth: 12520 bytes left
[    9.766951] nft (5271) used greatest stack depth: 12136 bytes left
[   49.571409] nft (12782) used greatest stack depth: 12112 bytes left
[   61.691694] nft (14809) used greatest stack depth: 11984 bytes left