MB-16255: Log shutdown received message
MB-16255: Log shutdown received message

Change-Id: I73a5c98dbabb22c7d7e1bc7dbab7d2922e16b7b8
Reviewed-on: http://review.couchbase.org/55235
Tested-by: buildbot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: Trond Norbye <60edd2ef23891a753f231b0c6f161dc634079a93@gmail.com>

owendCB/memcached,daverigby/memcached,daverigby/memcached,couchbase/memcached,daverigby/kv_engine,daverigby/kv_engine,daverigby/kv_engine,owendCB/memcached,couchbase/memcached,couchbase/memcached,owendCB/memcached,couchbase/memcached,daverigby/memcached,daverigby/kv_engine,owendCB/memcached,daverigby/memcached