public void run() {
            try {
            	new Pinger(pingStrategy).runPinger();
            } catch (Exception e) {
                logger.error("LoadBalancer [{}]: Error pinging", name, e);
            }
        }
TimerTask that keeps runs every X seconds to check the status of each
server/node in the Server List

@author stonse
ribbon-loadbalancer/src/main/java/com/netflix/loadbalancer/BaseLoadBalancer.java