{"foo.ns.svc.cluster.local.extra", ""},
		{"xds.istio.io/grpc/lds/inbound/0.0.0.0:1234", ""},
	}

	for _, tc := range cases {
		t.Run(tc.in, func(t *testing.T) {
			if got := tryFindFQDN(tc.in, node); got != tc.want {
				t.Errorf("want %q but got %q", tc.want, got)
			}
		})
	}