func (m recursiveWatcher) watchRecursive(path string) error {
	err := filepath.Walk(path, func(walkPath string, fi os.FileInfo, err error) error {
		if err != nil {
			return err
		}
		if fi.IsDir() {
			if err = m.Watcher.Add(walkPath); err != nil {
				return err
			}
		}
		return nil
	})
	return err
}

	defer c.muTree.Unlock()

	serviceCIDRs := sets.New[string]()
	for _, cidr := range serviceCIDR.Spec.CIDRs {
		if prefix, err := netip.ParsePrefix(cidr); err == nil { // if is empty err will not be nil
			c.tree.WalkPath(prefix, func(k netip.Prefix, v sets.Set[string]) bool {
				serviceCIDRs.Insert(v.UnsortedList()...)
				return false
			})
			c.tree.WalkPrefix(prefix, func(k netip.Prefix, v sets.Set[string]) bool {