if consoleAddr == "" {
		p, err := xnet.GetFreePort()
		if err != nil {
			logger.FatalIf(err, "Unable to get free port for Console UI on the host")
		}
		// hold the port
		l, err := net.Listen("TCP", fmt.Sprintf(":%s", p.String()))
		if err == nil {
			defer l.Close()
		}
		consoleAddr = net.JoinHostPort("", p.String())
	}

	if _, _, err := net.SplitHostPort(consoleAddr); err != nil {