diag.NewMessageType(diag.Warning, "C1", "Collapse danger: %v"),
		diag.MockResource("GrandCastle"),
		"the castle is too old",
	)

	msgs := diag.Messages{firstMsg, secondMsg}
	output, _ := Print(msgs, LogFormat, false)

	g.Expect(output).To(Equal(
		"Error [B1] (SoapBubble) Explosion accident: the bubble is too big\n" +
			"Warning [C1] (GrandCastle) Collapse danger: the castle is too old",
	))
}

                    "name": "ip",
                    "typed_config": {
                      "@type": "type.googleapis.com/xds.type.matcher.v3.IPMatcher",
                      "range_matchers": [
                        {
                          "ranges": [
                            {
                              "address_prefix": "10.111.182.109",
                              "prefix_len": 32
                            }

                    "name": "ip",
                    "typed_config": {
                      "@type": "type.googleapis.com/xds.type.matcher.v3.IPMatcher",
                      "range_matchers": [
                        {
                          "ranges": [
                            {
                              "address_prefix": "10.104.171.68",
                              "prefix_len": 32
                            }

| HOST_PROBE_SNAT_IPV6 | "fd16:9254:7127:1337:ffff:ffff:ffff:ffff" | IPv6 link local ranges are designed to be collision-resistant by default, and so this probably never needs to be overridden |

## Sidecar Mode Implementation Details

      # https://istio.io/docs/tasks/traffic-management/egress.html#calling-external-services-directly
      # example: includeIPRanges: "172.30.0.0/16,172.20.0.0/16"
      # would only capture egress traffic on those two IP Ranges, all other outbound traffic would
      # be allowed by the sidecar
      includeIPRanges: "*"
      excludeIPRanges: ""
      includeOutboundPorts: ""
      excludeOutboundPorts: ""

			for _, rm := range ip.GetRangeMatchers() {
				for _, r := range rm.Ranges {
					cidr := r.AddressPrefix
					pl := r.PrefixLen.GetValue()
					if pl != 32 && pl != 128 {
						cidr += fmt.Sprintf("/%d", pl)
					}
					m[cidr] = rm.OnMatch
				}
			}
		default:
			panic("unhandled")
		}
	}
	outputs := []string{}
	for k, v := range m {
		switch v := v.GetOnMatch().(type) {

  // FlowSchema is among those with the numerically lowest (which we take to be logically highest)
  // MatchingPrecedence.  Each MatchingPrecedence value must be ranged in [1,10000].
  // Note that if the precedence is not specified, it will be set to 1000 as default.
  // +optional
  optional int32 matchingPrecedence = 2;

  // FlowSchema is among those with the numerically lowest (which we take to be logically highest)
  // MatchingPrecedence.  Each MatchingPrecedence value must be ranged in [1,10000].
  // Note that if the precedence is not specified, it will be set to 1000 as default.
  // +optional
  optional int32 matchingPrecedence = 2;

         "filter_disabled": {
          "or_match": {
           "rules": [
            {
             "destination_port_range": {
              "start": 80,
              "end": 81
             }
            },
            {
             "destination_port_range": {
              "start": 15006,
              "end": 15007
             }
            }
           ]
          }

$gateway.type }} selector: {{ $gateway.labels | toYaml | indent 4 }} ports: {{- range $key, $val := $gateway.ports }} - {{- range $pkey, $pval := $val }} {{ $pkey}}: {{ $pval }} {{- end }} {{- end }} {{ range $app := $gateway.ingressPorts }} - port: {{ $app.port }} name: {{ $app.name }} {{- end }} {{- if $gateway.ipFamilyPolicy }} ipFamilyPolicy: {{ $gateway.ipFamilyPolicy }} {{- end }} {{- if $gateway.ipFamilies }} ipFamilies: {{- range $gateway.ipFamilies }} - {{ . }} {{- end }} {{- end }} --- {{ end }} ...