@Override
    protected List<Class<? extends Throwable>> getCircuitRelatedExceptions() {
        return circuitRelated;
    }
@return true if the Throwable has one of the following exception type as a cause: 
{@link SocketException}, {@link SocketTimeoutException}
ribbon-transport/src/main/java/com/netflix/ribbon/transport/netty/http/NettyHttpLoadBalancerErrorHandler.java