Why migrating a VM is failing with error "'NoneType' object is not subscriptable"

Solution Verified - Updated -

Issue

  • VM live migration is failing with the error below:
2022-10-24 14:44:38,206+02 ERROR [org.ovirt.engine.core.vdsbroker.monitoring.VmAnalyzer] (ForkJoinPool-1-worker-29) [477032cb] Migration of VM 'HostedEngine' to host 'he1.example.com' failed: 'NoneType' object is not subscriptable.
2022-10-24 14:45:55,283+02 ERROR [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (EE-ManagedThreadFactory-engine-Thread-48) [477032cb] EVENT_ID: VM_MIGRATION_TO_SERVER_FAILED(120), Migration failed due to an Error: Error creating the requested VM (VM: HostedEngine, Source: he2.example.com, Destination: he1.example.com).

Environment

  • Red Hat Virtualization 4.4.

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