There was a solution from Nortel for this issue on the BCM50 Release 1.0
Error 80011 is an error when a secure socket connection fails.
The reason why BCM Monitor is unable to establish a connection, or maintain the connection, with the BCM is due to the MSM service in the BCM. The MSM service sometimes experience problems with secure connections with the BCM Monitor, and once this happens, the service is unable to accept new connection requests from BCM Monitor. The MSM service is unable to recover from this problem when it happens and this is why the BCM needs to be rebooted. But rebooting the BCM will not help to solve the problem, because the MSM service will still have difficulty handling secure connections
The fix was:
Apply patch BCM050.161-MSM, or a later version. Remember to refer to the patch release notes. Applying this patch will help to solve this issue, and BCM Monitor will be able to maintain a secure connection with the BCM.
I do not know whether there is a similar fix for the BCM400 V4, or whether there was a corresponding MSM patch for V4.
Just thought this might be associated.
NCSS, NCDS, NCTS