Subdoc failures after restarting CB server

With SDK 3.0.2 RC: NCBC-2548 (http://review.couchbase.org/c/couchbase-net-client/+/130287)

Testing Against: CB Server 6.5.1 - 4 node cluster with services 1x{kv}, 3 x {kv,index,fts,n1ql}

There is an issue where subdoc ops fail after all (or some) of the CB nodes are stopped and restarted. As seen below.

http://sdkqe-testresults.couchbase.com.s3.amazonaws.com/SDK-SDK/CB-6.5.1-6299/SvcRestartAll-SUBDOC/06-11-20/043535/4ade3a166e84d5ceed8047c7575dd5c6-SD.html

Logs: SdkdConsole.log.zip

Also occurs with CB 6.0.4.