message: Force some errors to the user.
diff: @@ -175,12 +175,13 @@ BridgedClient.prototype.connect = Promise.coroutine(function*() {
  }
  });
  connInst.client.addListener("error", (err) => {
  + const ERRORS_TO_FORCE = ["err_nononreg"]
  if (!err || !err.command || connInst.dead) {
  return;
  }
  var msg = "Received an error on " + this.server.domain + ": " + err.command + "\n";
  msg += JSON.stringify(err.args);
  - this._eventBroker.sendMetadata(this, msg);
  + this._eventBroker.sendMetadata(this, msg, ERRORS_TO_FORCE.includes(err.command));
  });
  return connInst;
  }
  