[    9.957284] nft (5223) used greatest stack depth: 12152 bytes left
[   12.172054] nft (5225) used greatest stack depth: 12136 bytes left
[   56.637287] nft (13883) used greatest stack depth: 12112 bytes left
[   63.011938] nft (14761) used greatest stack depth: 11984 bytes left