these 4 derivations will be built:
  /nix/store/6pcysk2jjnzpafphqyx1z97dm3zgsk6g-ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/vhvz7lq5v20l57a41n68m08yjid1agyw-run-vm-vm.drv
  /nix/store/1nbz97zq66ag36glk4dq9b8k7z0nvj34-driver-configuration.json.drv
  /nix/store/2imgfibzv7ziqxi4yly68153v3yp8q6z-vm-test-ubuntu_22_04.drv