Created attachment 1894687 [details]
engine logs

Description of problem:
when upgrade RHVH from 4.5.0 to 4.5.1 via engine, "no updates found" is shown when checking for updates

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2022-07-06 04:04:52,843+08 INFO  [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (EE-ManagedExecutorService-hostUpdatesChecker-Thread-2) [] EVENT_ID: HOST_AVAILABLE_UPDATES_FINISHED(885), Check for available updates on host cshao0704 was completed successfully with message 'no updates found.'
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Version-Release number of selected component (if applicable):
RHVH:
upgrade from redhat-virtualization-host-4.5.0-202205291010_8.6 to 
redhat-virtualization-host-4.5.1-202207050133_8.6

Engine: Software Version:4.5.1.2-0.11.el8ev


How reproducible:
100%

Steps to Reproduce:
1. Install RHVH 4.5.0 GA version redhat-virtualization-host-4.5.0-202205291010_8.6
2. Register RHVH to engine
3. Add upgrade repo to RHVH
4. Check for upgrade from engine UI.


Actual results:
when upgrade RHVH from 4.5.0 to 4.5.1 via engine, "no updates found" is shown when checking for updates

Expected results:
Can detected upgrade from engine UI.

Additional info:
upgrade by run "yum install edhat-virtualization-host-image-update-4.5.1-202207050133_8.6.x86_64.rpm" can succeed.