these 4 derivations will be built:
  /nix/store/f44xf69az3h98xl726601b8pk3rkz3wi-ubuntu-23.10-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/h6yvxgg19lbr64qvppw68w9xk3vf08bx-run-vm-vm.drv
  /nix/store/v9i1p6qjbdhqg07x9m57dh2zqf5p0wza-driver-configuration.json.drv
  /nix/store/ga693vni5ir16p5lqfhj5q8kg4v87m49-test-driver.drv
building '/nix/store/f44xf69az3h98xl726601b8pk3rkz3wi-ubuntu-23.10-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv'
ubuntu-23.10-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   0.0] Examining the guest ...
ubuntu-23.10-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   9.8] Setting a random seed
ubuntu-23.10-server-cloudimg-amd64.img-nix-vm-test.qcow2> virt-customize: warning: random seed could not be set for this type of 
ubuntu-23.10-server-cloudimg-amd64.img-nix-vm-test.qcow2> guest
ubuntu-23.10-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   9.9] Setting the machine ID in /etc/machine-id
ubuntu-23.10-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   9.9] Copying: backdoor.service to /etc/systemd/system
ubuntu-23.10-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   9.9] Copying: mount-store.service to /etc/systemd/system
ubuntu-23.10-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   9.9] Copying: resizeguest.service to /etc/systemd/system
ubuntu-23.10-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   9.9] Running: /nix/store/9j2pmjmdm6pv8crd7jbma18vckw8az65-run-script
ubuntu-23.10-server-cloudimg-amd64.img-nix-vm-test.qcow2> [  10.3] SELinux relabelling
ubuntu-23.10-server-cloudimg-amd64.img-nix-vm-test.qcow2> [  10.5] Finishing off
building '/nix/store/h6yvxgg19lbr64qvppw68w9xk3vf08bx-run-vm-vm.drv'
building '/nix/store/v9i1p6qjbdhqg07x9m57dh2zqf5p0wza-driver-configuration.json.drv'
driver-configuration.json> structuredAttrs is enabled
building '/nix/store/ga693vni5ir16p5lqfhj5q8kg4v87m49-test-driver.drv'

upload niks3: ok