these 4 derivations will be built:
  /nix/store/hzma1b60w96y35pgqicq10fywk7rxx6g-ubuntu-23.10-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/kcmq878j4w6k867pwlr9b9in8iz9i4y9-run-vm-vm.drv
  /nix/store/pv5f7hw253i25hkyv2xvri1vrvj3lm8y-driver-configuration.json.drv
  /nix/store/vclsglyymwr6p8hp619l8v79yklq9cp5-vm-test-ubuntu_23_10.drv