these 4 derivations will be built:
  /nix/store/2xfy6bmhcjr5wj7ycygpyhnfmlwgib8q-ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/0hg129sd4rf0ybaqdh76vvwwflwmy6kl-run-vm-vm.drv
  /nix/store/0xx0zsb7z59qwxvz5bf894x1jiygqycf-driver-configuration.json.drv
  /nix/store/fah0j7bp1bwgs2an507v96sicxc669w8-test-driver.drv
building '/nix/store/2xfy6bmhcjr5wj7ycygpyhnfmlwgib8q-ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv'
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   0.0] Examining the guest ...
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   5.9] Setting a random seed
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> virt-customize: warning: random seed could not be set for this type of 
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> guest
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   5.9] Setting the machine ID in /etc/machine-id
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   5.9] Copying: backdoor.service to /etc/systemd/system
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   5.9] Copying: mount-store.service to /etc/systemd/system
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   6.0] Copying: resizeguest.service to /etc/systemd/system
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   6.0] Running: /nix/store/ak16ynrwy8ri9gk46j5vpdyq319c6vi4-run-script
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   6.1] SELinux relabelling
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   6.3] Finishing off
building '/nix/store/0hg129sd4rf0ybaqdh76vvwwflwmy6kl-run-vm-vm.drv'
building '/nix/store/0xx0zsb7z59qwxvz5bf894x1jiygqycf-driver-configuration.json.drv'
driver-configuration.json> structuredAttrs is enabled
building '/nix/store/fah0j7bp1bwgs2an507v96sicxc669w8-test-driver.drv'

upload niks3: ok