A few months ago, I saw a duplicate of the root cause of this issue downstream [1] where a failure during _set_vm_state_and_notify (example: MessagingTimeout) prevents us from setting the cell_id for an InstanceMapping and destroying the BuildRequest.
The InstanceMapping cell_id part of it was solved (from an MQ failure perspective) by a patch that landed in Ussuri:
A few months ago, I saw a duplicate of the root cause of this issue downstream [1] where a failure during _set_vm_ state_and_ notify (example: MessagingTimeout) prevents us from setting the cell_id for an InstanceMapping and destroying the BuildRequest.
The InstanceMapping cell_id part of it was solved (from an MQ failure perspective) by a patch that landed in Ussuri:
https:/ /review. opendev. org/683730
and I think this is the root cause of the problem described in this bug.
[1] https:/ /bugzilla. redhat. com/show_ bug.cgi? id=1848737# c1