@Override
    public String toString() {
        StringBuilder sb = new StringBuilder("DynamicServerListLoadBalancer:");
        sb.append(super.toString());
        sb.append("ServerList:" + String.valueOf(serverListImpl));
        return sb.toString();
    }
Update the AllServer list in the LoadBalancer if necessary and enabled

@param ls
ribbon-loadbalancer/src/main/java/com/netflix/loadbalancer/DynamicServerListLoadBalancer.java