these 4 derivations will be built:
  /nix/store/33hswkxk82dxyyrppxjand0qwwdzxd2p-ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/sly7rw6bpz87584zq6k988r6b3g1r70v-run-vm-vm.drv
  /nix/store/y5kvdb34p046fli11029ljmalp2vqhcs-driver-configuration.json.drv
  /nix/store/70ppljljpwxirfnvqb43zhvhh6s72292-vm-test-ubuntu_22_04.drv