What is the business rationale for this exception? Is there a specific customer that needs this RFE?

Undercloud loosing connectivity during upgrade due to multiple issues that were sadly masked on the CI. These issues also affect Overcloud to some extend and in correct combination can cause full network outage during upgrade and update.

Are there any security concerns?

No.

What other functions, teams, or DFGs are impacted by this feature?

No.

What is the estimated time to have the upstream work complete and approved?

Review downstream which we are testing.

What is the time and resources required to test this issue? On what date will automated tests be written and ready to run and report results in Polarion?

We are introducing new CI job for Verizon with preprovisioned nodes where we hit the configuration bingo to get the outage.

Is there potential doc impact?

No.

Are there new packages needed that are not packaged in OSP or RHEL? Does it require newer versions of existing dependencies (dependency bumps)?

No.

No new packages or dependencies.
What is the support level?

Fully supported

How invasive is the code? From very invasive, a core change to very isolated, no risk to other components?

Isolated.

What is the impact to deployment/updates/upgrades/FFU; what are the test plans in these areas?

Mentioned above additional CI job.