retry.UntilSuccessOrFail(t, func() error {
		instances := sd.GetProxyServiceTargets(&model.Proxy{IPAddresses: []string{ip}, Metadata: &model.NodeMetadata{}})
		sortServiceTargets(instances)
		sortServiceTargets(expected)
		if err := compare(t, instances, expected); err != nil {
			return err
		}
		return nil
	}, retry.Converge(2), retry.Timeout(time.Second*5))
}