these 4 derivations will be built:
  /nix/store/f8plzdririp79k6mlkg09fqssna3c8ih-ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/kcmqd5s6fcapr18b2zjryqdv2if50q8b-run-vm-vm.drv
  /nix/store/ix33inlm027r2zpifvm13570vh3hrzl5-driver-configuration.json.drv
  /nix/store/w8ryrb02a24f2ybwd88vl6ywjfwqa5gn-test-driver.drv
building '/nix/store/f8plzdririp79k6mlkg09fqssna3c8ih-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> [   8.5] 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> [   8.6] Setting the machine ID in /etc/machine-id
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   8.6] Copying: backdoor.service to /etc/systemd/system
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   8.6] Copying: mount-store.service to /etc/systemd/system
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   8.6] Copying: resizeguest.service to /etc/systemd/system
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   8.7] Running: /nix/store/79sj99idfnjraik226s1k4ixd2693qsd-run-script
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   9.1] SELinux relabelling
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   9.2] Finishing off
building '/nix/store/kcmqd5s6fcapr18b2zjryqdv2if50q8b-run-vm-vm.drv'
run-vm-vm> structuredAttrs is enabled
building '/nix/store/ix33inlm027r2zpifvm13570vh3hrzl5-driver-configuration.json.drv'
driver-configuration.json> structuredAttrs is enabled
building '/nix/store/w8ryrb02a24f2ybwd88vl6ywjfwqa5gn-test-driver.drv'
test-driver> structuredAttrs is enabled

upload niks3: ok