these 4 derivations will be built:
  /nix/store/8djwk0i3zlpkvkykbh25sqwyir7jjjq1-ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/7lsnk51l0l3as9zklyc18qqxf6b479n7-run-vm-vm.drv
  /nix/store/lsninfc4apxp0pwc4xxdv8izvqw2lfxc-driver-configuration.json.drv
  /nix/store/wa82clbdnvg59l2kjwi1smva8czg90yi-vm-test-ubuntu_22_04.drv