// fromRegistry and cidr based network lookups for this registry
func (n *networkManager) reloadMeshNetworks() {
	n.Lock()
	defer n.Unlock()
	ranger := cidranger.NewPCTrieRanger()

	n.networkFromMeshConfig = ""
	n.registryServiceNameGateways = make(map[host.Name][]model.NetworkGateway)

	meshNetworks := n.meshNetworksWatcher.Networks()

	})
	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 {