these 4 derivations will be built:
  /nix/store/wihbvr5d9nrp4m4jalacrviaqdb72acg-ubuntu-23.10-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/jgiv3qr1x8x0srpmazza6vb53bgd4g20-run-vm-vm.drv
  /nix/store/4wprwsl7wqcwarybj14ydpd8ygj0b5z5-driver-configuration.json.drv
  /nix/store/b0pawmgifzw85kyzh4qf092dv531mnxj-test-driver.drv
building '/nix/store/wihbvr5d9nrp4m4jalacrviaqdb72acg-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> [   4.6] 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> [   4.7] Setting the machine ID in /etc/machine-id
ubuntu-23.10-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   4.7] Copying: backdoor.service to /etc/systemd/system
ubuntu-23.10-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   4.7] Copying: mount-store.service to /etc/systemd/system
ubuntu-23.10-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   4.7] Copying: resizeguest.service to /etc/systemd/system
ubuntu-23.10-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   4.8] Running: /nix/store/ak16ynrwy8ri9gk46j5vpdyq319c6vi4-run-script
ubuntu-23.10-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   5.0] SELinux relabelling
ubuntu-23.10-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   5.0] Finishing off
building '/nix/store/jgiv3qr1x8x0srpmazza6vb53bgd4g20-run-vm-vm.drv'
building '/nix/store/4wprwsl7wqcwarybj14ydpd8ygj0b5z5-driver-configuration.json.drv'
driver-configuration.json> structuredAttrs is enabled
building '/nix/store/b0pawmgifzw85kyzh4qf092dv531mnxj-test-driver.drv'

upload niks3: ok