nbdcopy and qemu-nbd: serverfault.com/a/1153243which turned out to not really matter much since it was the full image size instead of removing any unused space, so I could have just used
unzstd instead and imported the raw image as-is
Norm (ノーム) 
@norm@shrimp.biribiri.dev
@wolf480pl I guess the only really cursed thing was converting the zstd compressed image to qcow2 using
which turned out to not really matter much since it was the full image size instead of removing any unused space, so I could have just used
which turned out to not really matter much since it was the full image size instead of removing any unused space, so I could have just used