>>
>>
>> @Gianluca Cecchi , I notice that one of your duplicate networks -
>> 'ovn192'  - has no ports attached. That makes it the perfect candidate
>> to be deleted, and see if it becomes 'listable' on engine. That would
>> help rule out the 'duplicate name' theory.
>
>
>  I can try. Can you give me the command to be run?
> It is a test oVirt so It would be not a big problem in case of failures in this respect.

You can delete it via the UI; just be sure to delete the one without
ports - it's external ID is 6110649a-db2b-4de7-8fbc-601095cfe510.

It will ask you if you also want to delete it from the external
provider, say yes.