libcouchbase does not find new services during run

1) create cluster with ./cluster_run --nodes=3
2) define 2 data nodes and 1 index+query node.
3) compile application and run it
4) remove index+query node, the application will start report 0x13 Operation not supported
5) add index+query node back

Expected:
6) the application will find out new query node, and 0x13 will stop

Actual:
7) the application continues reporting 0x13 Operation not supported