- Cisco Employee,
We see a spike in requests for RMA's when this particular message is seen.
Fortunately 99% of the time this is not caused by hardware issues.
I came to realize this is a difficult topic and you probably want to know what causes it, or how it works.
The following document tries to provide some explanations, operation and mitigations when this particular problem is seen.
A most recent reason was uncovered and documented by CSCuj10837 (fix and RNE to be provided).