moxi assertion fail

Moxi.exe runs into the assertion described below during the Couchbase Server startup. This causes memcached to restart a couple of times (2 - 3) before completing its warmup.

Assertion fail message from Couchbase Server log:

Port server memcached on node 'ns_1@10.3.121.142' exited with status 255. Restarting. Messages: Assertion failed!

Program: c:\opt\couchbase\bin\moxi.exe
File: cproxy.c, Line 157

Expression: port > 0 || settings.socketpath != NULL

This application has requested the Runtime to terminate it in an unusual way.
Please contact the application's support team for more information.

Memcached.exe command line:
c:\opt\couchbase\bin\memcached.exe -X c:\opt\couchbase\lib\memcached\stdin_term_handler.so -l 0.0.0.0:11210,0.0.0.0:11209:1000 -E c:/opt/couchbase/lib/memcached/bucket_engine.so -B binary -r -c 10000 -e admin=_admin;default_bucket_name=default;auto_create=fal