{"gatewaymiddle", gatewaymiddle, 1, &ipv4Route, ""},
		{"gatewaylast", gatewaylast, 1, &ipv4Route, ""},
		{"no routes", nothing, 0, nil, ""},
		{"badDestination", badDestination, 0, nil, "invalid IPv4"},
		{"badGateway", badGateway, 0, nil, "invalid IPv4"},
		{"route_Invalidhex", route_Invalidhex, 0, nil, "odd length hex string"},
		{"no default routes", noInternetConnection, 0, nil, ""},
	}
	for _, tc := range testCases {

		// This is a negative test, ensuring gateways with tags other
		// than my tags do not get controlled by me.
		nsConfig, err := namespace.New(t, namespace.Config{
			Prefix: "badgateway",
			Inject: false,
			Labels: map[string]string{
				constants.DataplaneModeLabel: "ambient",
			},
		})
		if err != nil {
			t.Fatal(err)
		}