+s_log = logging.getLogger("ovs-external-ids")
+l_handler = logging.handlers.RotatingFileHandler(
+ "/var/log/openvswitch/ovs-external-ids.log")
+l_formatter = logging.Formatter('%(filename)s: %(levelname)s: %(message)s')
+l_handler.setFormatter(l_formatter)
+s_log.addHandler(l_handler)
+s_log.setLevel(logging.INFO)
+