these 4 derivations will be built:
  /nix/store/11jl78ffwphqzrcj8br1im3aqnzz6dva-ubuntu-23.10-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/is7qv31izw0i7rxfqizgn8x19smws41n-run-vm-vm.drv
  /nix/store/arfna01zj74slrwm0ryszavh49764mqg-driver-configuration.json.drv
  /nix/store/g6yw5rpksjvxx086mz9wmq8z6s27dbax-test-driver.drv
building '/nix/store/11jl78ffwphqzrcj8br1im3aqnzz6dva-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> [   7.5] 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> [   7.6] Setting the machine ID in /etc/machine-id
ubuntu-23.10-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   7.6] Copying: backdoor.service to /etc/systemd/system
ubuntu-23.10-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   7.6] Copying: mount-store.service to /etc/systemd/system
ubuntu-23.10-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   7.6] Copying: resizeguest.service to /etc/systemd/system
ubuntu-23.10-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   7.6] Running: /nix/store/ak16ynrwy8ri9gk46j5vpdyq319c6vi4-run-script
ubuntu-23.10-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   8.0] SELinux relabelling
ubuntu-23.10-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   8.1] Finishing off
building '/nix/store/is7qv31izw0i7rxfqizgn8x19smws41n-run-vm-vm.drv'
building '/nix/store/arfna01zj74slrwm0ryszavh49764mqg-driver-configuration.json.drv'
driver-configuration.json> structuredAttrs is enabled
building '/nix/store/g6yw5rpksjvxx086mz9wmq8z6s27dbax-test-driver.drv'

upload niks3: ok