Nevermind.

roles/fedmsg/base/templates/logging.py.j2

@@ -237,13 +237,11 @@ config = dict(
                 "handlers": ["console", "mailer"],
             },
         ),
-        {% if not inventory_hostname.startswith('mbs-backend') %}
         # Root handler that deals with log messages that are not handled by the
         # loggers explicitly configured in the `loggers` dict.
         root={
             "level": "{{fedmsg_loglevel}}",
             "handlers": ["console", "mailer"],
         },
-        {% endif %}
     ),
 )