Change bfd monitor back to silence requests, as it uses requests directly and doesn't use etcd

nova_bfd_monitor.py

@@ -36,7 +36,7 @@ def set_state(new_state):
 def main(logfile, interface):
     logging.basicConfig(level=logging.INFO,
                         format='%(asctime)s %(name)s %(levelname)s %(message)s')
-    logging.getLogger("urllib3").setLevel(logging.WARNING)
+    logging.getLogger("requests").setLevel(logging.WARNING)
     if logfile:
         handler = logging.handlers.RotatingFileHandler(logfile,
                                                        maxBytes=10*1024**3, backupCount=5)