The Network Devices are currently Configured to send out Authentication Traps when they start every SNMP Polling.
Please apply "no logging snmp-authfail" to all network Devices to not have them send the message out.
I have also seen this on Windows Systems happen as well. In case you see some Windows systems, this is how you can resolve this issue.
Please go into Services.msc . Right Click on SNMP Service and select Properties, select the Security Tab and uncheck Send Authentication Trap, then Press Apply and OK.
Apply this to the Domain:
To apply this to multiple systems, you can use Group Policy to set the SNMP Community String, IPs that could connect via SNMP, and made sure that the Authentication Trap option is not selected.
