these 4 derivations will be built:
  /nix/store/xsvxq894cb21d7d8n3d2354a68w8jwl0-ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/3vwgy9bnlxxfbf4f7aff5c0gg8qvzh67-run-vm-vm.drv
  /nix/store/qhphmwvygcmd3j77dya3xrqaacb3a97x-driver-configuration.json.drv
  /nix/store/3cw75jlb79awc0n60jn2b12gm7ibjkz9-vm-test-ubuntu_22_04.drv