Logmessage "Unknown task ignored..." now has loglevel ERROR

celery/worker/__init__.py

@@ -75,7 +75,7 @@ class AMQPListener(object):
             task = TaskWrapper.from_message(message, message_data,
                                             logger=self.logger)
         except NotRegistered, exc:
-            self.logger.info("Unknown task ignored: %s" % (exc))
+            self.logger.error("Unknown task ignored: %s" % (exc))
             return
 
         eta = message_data.get("eta")