1. Proposed title of this feature request

OVN Health Monitoring for Prometheus

2. What is the nature and description of the request?

Customers require a proactive method of viewing the current state of OVN, and would like indicators of what determines a healthy or unhealthy network overlay in terms of signals from attributes that can be looked at in a lightweight manner and event out to Prometheus.

3. Why does the customer need this? (List the business requirements here)

Indicators of sub-par OVN health to inform pro-active management.

4. List any affected packages or components.

OVN, ovn-kubernetes, Prometheus