these 4 derivations will be built:
  /nix/store/hx34h537yykfib1yf1llsyvjcs2sdm7l-ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2.drv
  /nix/store/1x5j2n4j616fmqkqqcaj8f9j5rhw45bq-run-vm-vm.drv
  /nix/store/l771flgm2m0bx74mzzhafsla3bh44vvc-driver-configuration.json.drv
  /nix/store/5vrdaqvivjigv94lmxajhlx7r4ccxlai-vm-test-ubuntu_26_04.drv