improve upload error message

Signed-off-by: Tim Ramlot <[email protected]>

Author: inteon

pkg/agent/run.go

@@ -331,7 +331,7 @@ func gatherAndOutputData(ctx context.Context, eventf Eventf, config CombinedConf
 
 		notificationFunc := backoff.Notify(func(err error, t time.Duration) {
 			eventf("Warning", "PushingErr", "retrying in %v after error: %s", t, err)
-			log.Info("Warning: PushingErr: retrying", "in", t, "reason", err)
+			log.Error(err, "Warning: PushingErr: will retry", "retry_after", t)
 		})
 
 		post := func() (any, error) {