CSCvf17488 - Cisco WLC reloads unexpectedly with task name mmMaListen - 1

[AJC23]

Is this version 8.0.140.0 affected by this bug? I am seeing similar messages and the WLC just looses its layer 3 connectivity. 

*mcListen: Apr 24 02:19:30.075: %MM-3-NOTIFY_WARNING_MAC: mc_task.c:3779 Client Update message received but client entry not found, Sending Ack. Cient MAC: xx:.......xx.
*mcListen: Apr 24 02:18:04.125: %MM-3-NOTIFY_WARNING_MAC: mc_task.c:3779 Client Update message received but client entry not found, Sending Ack. Cient MAC: xx:.......xx

[Leo Laohoo]

If the controller crashed, post the crashlogs and we can have a look.