code: function (loadBalancer, callback) {
      var self = this,
          loadBalancerId =
            loadBalancer instanceof lb.LoadBalancer ? loadBalancer.id : loadBalancer;
  
      self._request({
        path: urlJoin(_urlPrefix, loadBalancerId, 'nodes', 'events')
      }, function (err, body) {
        return err
          ? callback(err)
          : callback(err, body.nodeServiceEvents);
      });
    }
docs: client.getNodeServiceEvents
  
  @description retrieve a list of events associated with the activity
  between the node and the load balancer
  
  @param {Object}          loadBalancer      the loadBalancer or loadBalancerId
  @param {function}        callback