ofproto-dpif-xlate: Add a trace log for tnl_port_build_header() error.
It is useful to also log when tnl_port_build_header() failed.
@@ -3681,6 +3681,7 @@ native_tunnel_output(struct xlate_ctx *ctx, const struct xport *xport,
netdev_init_tnl_build_header_params(&tnl_params, flow, &s_ip6, dmac, smac);
err = tnl_port_build_header(xport->ofport, &tnl_push_data, &tnl_params);
if (err) {
+ xlate_report(ctx, OFT_WARN, "native tunnel header build failed");
return err;
}
tnl_push_data.tnl_port = tunnel_odp_port;
