}
	return options, nil
}

// Returns the TLS option to use when talking to Istiod
func (p *XdsProxy) getTLSOptions(agent *Agent) (*istiogrpc.TLSOptions, error) {
	if agent.proxyConfig.ControlPlaneAuthPolicy == meshconfig.AuthenticationPolicy_NONE {
		return nil, nil
	}
	xdsCACertPath, err := agent.FindRootCAForXDS()
	if err != nil {
		return nil, fmt.Errorf("failed to find root CA cert for XDS: %v", err)
	}

	}

	if err := ValidatePort(int(config.ProxyAdminPort)); err != nil {
		errs = multierror.Append(errs, multierror.Prefix(err, "invalid proxy admin port:"))
	}

	if err := ValidateControlPlaneAuthPolicy(config.ControlPlaneAuthPolicy); err != nil {
		errs = multierror.Append(errs, multierror.Prefix(err, "invalid authentication policy:"))
	}

	if err := ValidatePort(int(config.StatusPort)); err != nil {