On Thu, Jan 12, 2023 at 08:30:19PM -0800, Stephen Hemminger wrote:

On Fri, 13 Jan 2023 11:46:17 +0800
Hangbin Liu [off-list ref] wrote:

quoted

	if (tb[TCA_EXT_WARN_MSG]) {
+		print_string(PRINT_ANY, "Warn", "%s ", rta_getattr_str(tb[TCA_EXT_WARN_MSG]));
+		print_nl();
+	}
+

Errors should go to stderr, and not to stdout. And no JSON support please.

Thanks, I thought this belongs to an attr data. So I put it in the JSON object.
I will adjust this to stderr and out side of JSON.

Hangbin