ceilometer-agent-notification service is lack of useful logs

[Liusheng]

there are only many useless log:

2016-10-19 09:50:30.087 17525 DEBUG oslo_messaging._drivers.amqpdriver [-] received message with unique_id: 784b3fa36540487f8fabc47a6485889d __call__ /usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py:196
2016-10-19 09:50:30.088 17525 DEBUG oslo_messaging._drivers.amqpdriver [-] received message with unique_id: d136c14e46934ba59964f112451a4f7b __call__ /usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py:196
2016-10-19 09:50:30.089 17525 DEBUG oslo_messaging._drivers.amqpdriver [-] received message with unique_id: 7b89f27c1a3d4ada888db870f1a3aed1 __call__ /usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py:196
2016-10-19 09:50:30.089 17525 DEBUG oslo_messaging._drivers.amqpdriver [-] received message with unique_id: f716e1e6217247f3a5aca76730a92ff5 __call__ /usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py:196
2016-10-19 09:50:30.090 17525 DEBUG oslo_messaging._drivers.amqpdriver [-] received message with unique_id: 1529a194985c4b448bbbf53f89f6e837 __call__ /usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py:196
2016-10-19 09:50:30.091 17525 DEBUG oslo_messaging._drivers.amqpdriver [-] received message with unique_id: 55be25b9ecf04c92a0a20e6f4ed079fa __call__ /usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py:196
2016-10-19 09:50:30.092 17525 DEBUG oslo_messaging._drivers.amqpdriver [-] received message with unique_id: 7c9d88ae271e4603bc44ea61ac14c790 __call__ /usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py:196

[gordon chung (chungg)]

closing since it's a very ambiguous bug