these 4 derivations will be built:
  /nix/store/razflvwslswp71px87h0nb6f0mi2nmqm-ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/9kall9q01338hx8xzvlli6hdr0jc77y1-run-vm-vm.drv
  /nix/store/9khlrmbl0b1gz76d14qpll9psxpvbmyv-driver-configuration.json.drv
  /nix/store/51dcfjlbh1s8fxh60i53185m526fnl6g-vm-test-ubuntu_22_04.drv