these 6 derivations will be built:
  /nix/store/yyxnn2r6a509avm1svwcbd8y80k61hmq-libguestfs-1.56.2.drv
  /nix/store/7d8smqybvljcp4iad8ri1pld260bmf1v-guestfs-tools-1.52.3.drv
  /nix/store/pppzshvgci09gi6z4gp76x0rrn4rqnim-ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2.drv
  /nix/store/2zpjj5pn4x41dfaad6z050521j7v6vw9-run-vm-vm.drv
  /nix/store/z0hlwzlgqzp1xyqb471qfsw5pb2ranic-driver-configuration.json.drv
  /nix/store/lb2f77wbwk5916bnpzblkmgkndz5fnfq-test-driver.drv
building '/nix/store/pppzshvgci09gi6z4gp76x0rrn4rqnim-ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2.drv'
ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2> [   0.0] Examining the guest ...
ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2> [   4.5] Setting a random seed
ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2> virt-customize: warning: random seed could not be set for this type of 
ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2> guest
ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2> [   4.6] Setting the machine ID in /etc/machine-id
ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2> [   4.6] Copying: backdoor.service to /etc/systemd/system
ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2> [   4.6] Copying: mount-store.service to /etc/systemd/system
ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2> [   4.6] Copying: resizeguest.service to /etc/systemd/system
ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2> [   4.6] Running: /nix/store/79sj99idfnjraik226s1k4ixd2693qsd-run-script
ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2> [   4.8] SELinux relabelling
ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2> [   4.9] Finishing off
building '/nix/store/2zpjj5pn4x41dfaad6z050521j7v6vw9-run-vm-vm.drv'
run-vm-vm> structuredAttrs is enabled
building '/nix/store/z0hlwzlgqzp1xyqb471qfsw5pb2ranic-driver-configuration.json.drv'
driver-configuration.json> structuredAttrs is enabled
building '/nix/store/lb2f77wbwk5916bnpzblkmgkndz5fnfq-test-driver.drv'
test-driver> structuredAttrs is enabled

upload niks3: ok