these 4 derivations will be built:
  /nix/store/wjpi0vvmz1iaj6lvdmr7yqfp0cw4a4gp-ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/jhwli8x97vadz3s05bwanp9nv20859gx-run-vm-vm.drv
  /nix/store/kisn1amnv2g3pjs0r732ymlz2631cqmv-driver-configuration.json.drv
  /nix/store/kiv46h9cf8y3ywa95xchbhp425vsdrd9-vm-test-ubuntu_22_04.drv