private static String nameForCurrentEventLoop() {
        // We're relying on the knowledge that we name the eventloop threads consistently.
        String threadName = Thread.currentThread().getName();
        String parts[] = threadName.split("-ClientToZuulWorker-", -1);
        if (parts.length == 2) {
            return parts[1];
        }
        return threadName;
    }
User: michaels@netflix.com
Date: 2/7/17
Time: 3:17 PM
zuul-core/src/main/java/com/netflix/netty/common/metrics/EventLoopGroupMetrics.java