[    9.992388] nft (5222) used greatest stack depth: 12152 bytes left
[   12.190760] nft (5224) used greatest stack depth: 12136 bytes left
[   52.510568] nft (13077) used greatest stack depth: 12112 bytes left
[   62.954377] nft (14721) used greatest stack depth: 11984 bytes left