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### Instruction:
TUNNEL-3-UNKNOWN_MSG
### Response:
(Severity: 3), (Category: PKT_INFRA), (Description: An unexpected message was received by this process. This is relatively a harmless error and should not have any immediate impact on the operation of tunnel interfaces. It must still be reported and looked into.), (Recommended Action: Copy the error message exactly as it appears on the console or in the system log, call your Cisco technical support representative and provide the representative with the gathered information.)
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