do not show fm.error

as it will flood log output

- how to handle this properly?

devices.py

@@ -212,8 +212,8 @@ class FrappyConfig(Device):
             cfgs = current_cfgs
         fm = FrappyManager()
         proposed = fm.get_server_state(config.instrument, cfgs)
-        if fm.error:
-            self.log.error('%s', fm.error)
+        # if fm.error:
+        #     self.log.error('%s', fm.error)
         changes = dict(proposed)
         need_change = False
         for service in SERVICES: