func (o *Server) GetListenAddr() string {
	o.RLock()
	defer o.RUnlock()
	return o.ring.LocalNode().Address(2)
}
func (o *Server) GetListenAddr() string {
	o.RLock()
	defer o.RUnlock()
	return o.ring.LocalNode().Address(2)
}
// GetListenAddr returns the current localnode.address2 instance