What is the probability and severity of the issue? Severity: high

Does this affect specific configurations, hardware, environmental factors, etc.?: ML2/OVN and trunk ports

Are any partners relying on this functionality in order to ship an ecosystem product?: 

What proportion of our customers could hit this issue?: 

Does this happen for only a specific use case?: This happens only a live migration but I think it's a very common use case.

What proportion of our CI infrastructure, automation, and test cases does this issue impact?: not sure

Is this a regression in supported functionality from a previous release?: yes, probably

Is there a clear workaround?: only cold migration is the workaround

Is there potential doc impact?: not sure

If this is a UI issue
Is the UI still fit for its purpose/goal?

Does the bug compromise the overall trustworthiness of the UI?

Overall context and effort – is the overall impact bigger/worse than the bug in isolation? For example, 1 workaround might seem ok, 5 is getting ugly, 20 might be unacceptable (rough numbers).