{"udp", JoinHostPort("127.0.0.1", "123456789")},
	{"ip:icmp", "127.0.0.1"},

	{"unix", "/path/to/somewhere"},
	{"unixgram", "/path/to/somewhere"},
	{"unixpacket", "/path/to/somewhere"},
}

func TestDialError(t *testing.T) {
	switch runtime.GOOS {
	case "plan9":
		t.Skipf("%s does not have full support of socktest", runtime.GOOS)
	}

	origTestHookLookupIP := testHookLookupIP