[    6.131932] nft (1918) used greatest stack depth: 12520 bytes left
[    9.991645] nft (5163) used greatest stack depth: 12136 bytes left
[   56.608816] nft (13824) used greatest stack depth: 12112 bytes left
[   63.154186] nft (14702) used greatest stack depth: 11984 bytes left