return err.Reason == InvalidDestinationPermit ||
		err.Reason == InvalidDestinationNotFound ||
		err.Reason == InvalidDestinationKind
}

func headerListToMap(hl []k8s.HTTPHeader) map[string]string {
	if len(hl) == 0 {
		return nil
	}
	res := map[string]string{}
	for _, e := range hl {
		k := strings.ToLower(string(e.Name))
		if _, f := res[k]; f {