Following up - I can confirm that the following combination worked properly as of
2025-May-5 with the changes committed against the case linked in my comment above:
oVirt Node: ovirt-node-ng-installer-4.5.6-2025031111.c9s.iso (latest available at the
time of testing)
oVirt Appliance: ovirt-engine-appliance-4.5-20240817071039.1.el9.x86_64.rpm (latest
available at time of testing)