public void closeEndpoint(InternalDistributedMember member, String reason,
      boolean notifyDisconnect) {
    TCPConduit tc = conduit;
    if (tc != null) {
      tc.removeEndpoint(member, reason, notifyDisconnect);
    }
  }
Closes any connections used to communicate with the given jgroupsAddress.
geode-core/src/main/java/org/apache/geode/distributed/internal/direct/DirectChannel.java