[    4.150467] nft (521) used greatest stack depth: 12456 bytes left
[    4.166501] nft (523) used greatest stack depth: 12344 bytes left
[   10.662042] nft (5229) used greatest stack depth: 12112 bytes left
[   12.897572] nft (5231) used greatest stack depth: 12048 bytes left
[   66.088857] nft (14767) used greatest stack depth: 11896 bytes left