})
	chains = filter("PrefixRanges", chains, func(fc *listener.FilterChainMatch) bool {
		return fc.GetPrefixRanges() == nil
	}, func(fc *listener.FilterChainMatch) bool {
		ranger := cidranger.NewPCTrieRanger()
		for _, a := range fc.GetPrefixRanges() {
			s := fmt.Sprintf("%s/%d", a.AddressPrefix, a.GetPrefixLen().GetValue())
			_, cidr, err := net.ParseCIDR(s)
			if err != nil {