iptables -t mangle -N ISTIO_PRERT
iptables -t nat -N ISTIO_OUTPUT
iptables -t mangle -N ISTIO_OUTPUT
iptables -t mangle -A PREROUTING -j ISTIO_PRERT
iptables -t mangle -A OUTPUT -j ISTIO_OUTPUT
iptables -t nat -A OUTPUT -j ISTIO_OUTPUT
iptables -t mangle -A ISTIO_PRERT -m mark --mark 0x539/0xfff -j CONNMARK --set-xmark 0x111/0xfff
iptables -t mangle -A ISTIO_PRERT -s 169.254.7.127 -p tcp -m tcp -j ACCEPT

		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",
	))
}

			saFilename:          "token-foo",
			saNewFilename:       "token-bar",
		},
	}

	for _, c := range cases {
		t.Run(c.name, func(t *testing.T) {
			// Create temp directory for files
			tempDir := t.TempDir()

			// Initialize parameters
			ctx, cancel := context.WithCancel(context.Background())
			defer cancel()
			cfg := &config.InstallConfig{
				MountedCNINetDir: tempDir,
				ChainedCNIPlugin: c.chainedCNIPlugin,

* mangle
-N ISTIO_DIVERT
-N ISTIO_TPROXY
-N ISTIO_INBOUND
-A ISTIO_DIVERT -j MARK --set-mark 1337
-A ISTIO_DIVERT -j ACCEPT
-A ISTIO_TPROXY ! -d 127.0.0.1/32 -p tcp -j TPROXY --tproxy-mark 1337/0xffffffff --on-port 15006
-A PREROUTING -p tcp -j ISTIO_INBOUND
-A ISTIO_INBOUND -p tcp --dport 15020 -j RETURN
-A ISTIO_INBOUND -p tcp --dport 15021 -j RETURN
-A ISTIO_INBOUND -p tcp --dport 15090 -j RETURN

iptables -t mangle -N ISTIO_PRERT
iptables -t nat -N ISTIO_OUTPUT
iptables -t mangle -N ISTIO_OUTPUT
iptables -t mangle -A PREROUTING -j ISTIO_PRERT
iptables -t mangle -A OUTPUT -j ISTIO_OUTPUT
iptables -t nat -A OUTPUT -j ISTIO_OUTPUT
iptables -t mangle -A ISTIO_PRERT -m mark --mark 0x539/0xfff -j CONNMARK --set-xmark 0x111/0xfff
iptables -t mangle -A ISTIO_PRERT -s e9ac:1e77:90ca:399f:4d6d:ece2:2f9b:3164 -p tcp -m tcp -j ACCEPT

var ztunnelTestCounter atomic.Uint32

func TestZtunnelSendsPodSnapshot(t *testing.T) {
	ztunnelKeepAliveCheckInterval = time.Second / 10
	mt := monitortest.New(t)
	setupLogging()
	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()

	fixture := connect(ctx)
	ztunClient := fixture.ztunClient
	uid := fixture.uid

	m, fds := readRequest(t, ztunClient)

* mangle
-A PREROUTING -m conntrack --ctstate INVALID -j DROP
COMMIT
* nat
-N ISTIO_INBOUND
-N ISTIO_REDIRECT
-N ISTIO_IN_REDIRECT
-N ISTIO_OUTPUT
-A ISTIO_INBOUND -p tcp --dport 15008 -j RETURN
-A ISTIO_REDIRECT -p tcp -j REDIRECT --to-ports 15001
-A ISTIO_IN_REDIRECT -p tcp -j REDIRECT --to-ports 15006
-A PREROUTING -p tcp -j ISTIO_INBOUND
-A ISTIO_INBOUND -p tcp --dport 15020 -j RETURN
-A ISTIO_INBOUND -p tcp --dport 15021 -j RETURN

* mangle
-N ISTIO_DIVERT
-N ISTIO_TPROXY
-N ISTIO_INBOUND
-A ISTIO_DIVERT -j MARK --set-mark 1337
-A ISTIO_DIVERT -j ACCEPT
-A ISTIO_TPROXY ! -d 127.0.0.1/32 -p tcp -j TPROXY --tproxy-mark 1337/0xffffffff --on-port 15006
-A PREROUTING -p tcp -j ISTIO_INBOUND
-A ISTIO_INBOUND -p tcp --dport 15020 -j RETURN
-A ISTIO_INBOUND -p tcp --dport 15021 -j RETURN
-A ISTIO_INBOUND -p tcp --dport 15090 -j RETURN

  // 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;