these 4 derivations will be built:
  /nix/store/924vlcsprv6dxdsqck4yynnzvzrw91i6-ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/hh9fgh3c7277rlll9iiwkrvx405ww2y8-run-vm-vm.drv
  /nix/store/20mpbgma1jfqzhbm2rj1vw13ch1bkx84-driver-configuration.json.drv
  /nix/store/ra5ypkx5kazh1svsgv6ld86vzkxjwy51-vm-test-ubuntu_22_04.drv