bld1: building bcdf4n4cf85pmigprgcxr4ladh6yfdlc-debian-12-generic-amd64-20261021-2638.qcow2-nix-vm-test.qcow2.drv
[   0.0] Examining the guest ...
[   5.8] Setting a random seed
virt-customize: warning: random seed could not be set for this type of 
guest
[   5.8] Setting the machine ID in /etc/machine-id
[   5.8] Copying: backdoor.service to /etc/systemd/system
[   5.9] Copying: mount-store.service to /etc/systemd/system
[   5.9] Copying: resizeguest.service to /etc/systemd/system
[   5.9] Running: /nix/store/07m5rkyhbqrcp85zpskah2jww4gfj9hv-run-script
[   6.1] SELinux relabelling
[   6.2] Finishing off