[    9.601577] nft (5178) used greatest stack depth: 12152 bytes left
[   11.781917] nft (5180) used greatest stack depth: 12136 bytes left
[   51.763243] nft (13065) used greatest stack depth: 12112 bytes left
[   62.179012] nft (14716) used greatest stack depth: 11984 bytes left