these 4 derivations will be built:
  /nix/store/z4v5n6qazfj2l7q5yczj5kgpnlga4s4p-ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2.drv
  /nix/store/xalbrfi7f3gid8ma76jx3gdvr4bihpck-run-vm-vm.drv
  /nix/store/yynd32zw48jxh4xn2cglz7p4j22w8jaw-driver-configuration.json.drv
  /nix/store/mwpnpl500hyzqfdgfklrymnvg8i6wpai-vm-test-ubuntu_26_04.drv