File report-error.patch of Package virt-viewer
Index: virt-viewer-0.2.1/src/viewer.c
===================================================================
--- virt-viewer-0.2.1.orig/src/viewer.c
+++ virt-viewer-0.2.1/src/viewer.c
@@ -1134,6 +1134,7 @@ static int viewer_initial_connect(VirtVi
} else {
viewer_simple_message_dialog(viewer->window, _("Cannot find guest domain %s"),
viewer->domkey);
+ fprintf(stderr, "Cannot find guest %s\n", viewer->domkey);
DEBUG_LOG("Cannot find guest %s", viewer->domkey);
goto cleanup;
}