I have exactly the same issue with 16.9.4
Mar 30 22:37:17.394: %SNMP-3-RESPONSE_DELAYED: processing GetNext of entSensorType.2013 (26694 msecs)
Mar 30 22:57:17.800: %SNMP-3-RESPONSE_DELAYED: processing GetNext of entSensorType.2013 (26271 msecs)
Mar 30 22:57:26.939: %SNMP-3-RESPONSE_DELAYED: processing GetNext of entSensorType.2013 (9139 msecs)
Mar 30 23:17:21.211: %SNMP-3-RESPONSE_DELAYED: processing GetNext of entSensorType.2013 (30008 msecs)
Mar 30 23:17:44.251: %SNMP-3-RESPONSE_DELAYED: processing GetNext of entSensorType.2013 (23040 msecs)
Mar 30 23:17:53.534: %SNMP-3-RESPONSE_DELAYED: processing GetNext of entSensorType.2013 (9283 msecs)
Mar 30 23:26:55.878: %SNMP-3-RESPONSE_DELAYED: processing GetNext of entSensorType.2013 (5211 msecs)
Mar 30 23:37:14.850: %SNMP-3-RESPONSE_DELAYED: processing GetNext of entSensorType.2013 (24218 msecs)
Switch Ports Model SW Version SW Image Mode
------ ----- ----- ---------- ---------- ----
* 1 62 WS-C3850-12X48U 16.9.4 CAT3K_CAA-UNIVERSALK9 INSTALL
2 56 WS-C3850-48U 16.9.4 CAT3K_CAA-UNIVERSALK9 INSTALL
3 56 WS-C3850-48T 16.9.4 CAT3K_CAA-UNIVERSALK9 INSTALL
4 56 WS-C3850-48T 16.9.4 CAT3K_CAA-UNIVERSALK9 INSTALL
5 56 WS-C3850-48T 16.9.4 CAT3K_CAA-UNIVERSALK9 INSTALL
