these 4 derivations will be built:
  /nix/store/gyyqs2qg4w6smslrb64y4frhn6433asb-ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/79000ham8kvx52blv9vcl4km79by707p-run-vm-vm.drv
  /nix/store/ds38a4ggp4h0p13rikda2drv3xq9xq94-driver-configuration.json.drv
  /nix/store/6hq8myix0219z7pwgclh9wqb0gmvjbs3-vm-test-ubuntu_22_04.drv