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### Instruction:
STREE-4-SET_MACADDR_FAIL
### Response:
(Severity: 4), (Category: L2), (Description: MAC address assigned to the spanning tree was either invalid or was not able to be set for the spanning tree instance. stp_process error messages are indicative of health of control-ethernet which is critical for system operation. Misbehavior of stp_process can cause instability in the system.), (Recommended Action: Sysmgr process will restart the stp_process if it encounters this error. Check if the 'stp_process' is up and running if this error is encountered. If the message recurs, 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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