Exception for subdoc get during rb2out

Ran into notimplemented exception during rebalancing out 2 nodes

Unhandled Exception: System.NotImplementedException: The method or operation is not implemented.
[835.61 INFO] (LineGobbler doFilter:115) +++ Following exception has internal ID: 7
[835.61 INFO] (SDKD log:137) at Couchbase.IO.Operations.OperationBase.Clone() in C:\jenkins\workspace\situational-net\net-async-ubuntu\couchbase-net-client\Src\Couchbase\IO\Operations\OperationBase.cs:line 434
at Couchbase.Core.Buckets.CouchbaseRequestExecuter.SendWithRetry[T](IOperation`1 operation) in C:\jenkins\workspace\situational-net\net-async-ubuntu\couchbase-net-client\Src\Couchbase\Core\Buckets\CouchbaseRequestExecuter.cs:line 577
at Couchbase.CouchbaseBucket.Invoke[T](ILookupInBuilder`1 builder) in C:\jenkins\workspace\situational-net\net-async-ubuntu\couchbase-net-client\Src\Couchbase\CouchbaseBucket.cs:line 3638
at Couchbase.Core.LookupInBuilder`1.Execute() in C:\jenkins\workspace\situational-net\net-async-ubuntu\couchbase-net-client\Src\Couchbase\Core\LookupInBuilder.cs:line 126
at Sdkd.Subdoc.SDRunCommand.Run() in C:\jenkins\workspace\situational-net\net-async-ubuntu\sdkd-net\src\Sdkd\Subdoc\SDRunCommand.cs:line 49
at SdkdConsole.Daemon.Handle.DispatchCommand(Request req, IBucket cli) in C:\jenkins\workspace\situational-net\net-async-ubuntu\sdkd-net\src\SdkdConsole\Daemon\Handle.cs:line 243
at SdkdConsole.Daemon.Handle.Run() in C:\jenkins\workspace\situational-net\net-async-ubuntu\sdkd-net\src\SdkdConsole\Daemon\Handle.cs:line 140
at System.Threading.ThreadHelper.ThreadStart_Context(Object state)
at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
at System.Threading.ThreadHelper.ThreadStart()