these 4 derivations will be built:
  /nix/store/dx3g9b56095y4vwjrw6s0ca4c4246y9i-ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/ynylh0bif8vxigspaq81ndkyjq2pszib-run-vm-vm.drv
  /nix/store/c9pa6r4xq7g765600aw3jkd3x4370i3p-driver-configuration.json.drv
  /nix/store/6j71w41pkbrcp3dxnla4w3159473b1ab-test-driver.drv
building '/nix/store/dx3g9b56095y4vwjrw6s0ca4c4246y9i-ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv'
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   0.0] Examining the guest ...
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   6.9] Setting a random seed
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> virt-customize: warning: random seed could not be set for this type of 
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> guest
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   6.9] Setting the machine ID in /etc/machine-id
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   6.9] Copying: backdoor.service to /etc/systemd/system
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   6.9] Copying: mount-store.service to /etc/systemd/system
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   6.9] Copying: resizeguest.service to /etc/systemd/system
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   7.0] Running: /nix/store/ak16ynrwy8ri9gk46j5vpdyq319c6vi4-run-script
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   7.3] SELinux relabelling
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   7.3] Finishing off
building '/nix/store/ynylh0bif8vxigspaq81ndkyjq2pszib-run-vm-vm.drv'
building '/nix/store/c9pa6r4xq7g765600aw3jkd3x4370i3p-driver-configuration.json.drv'
driver-configuration.json> structuredAttrs is enabled
building '/nix/store/6j71w41pkbrcp3dxnla4w3159473b1ab-test-driver.drv'

upload niks3: ok