message: NodeSelector bug
diff: @@ -52,7 +52,7 @@ export class NodeSelector {
  }
  const stateEtag: number = this._state.topology.etag || 0;
  - const topologyEtag: number = this._state.topology.etag || 0;
  + const topologyEtag: number = topology.etag || 0;
  if (stateEtag >= topologyEtag && !forceUpdate) {
  return false;
  