[Telemetry plugin] ceilometer-agent-notification is not restarted after config changing

[Alex Kholkin]

1. Deploy mos 10.0
2. Install telemetry plugin
3. deploy env with 1 controller and 2 computes next config:

Ceilometer core: disabled
Resource API : disabled
Event API : disabled
Kafka : disabled

4. Check ceilometer-agent-notification

Actual result:

trace from ceilometer-agent-notification

 2017-04-13 14:17:06.653 6101 ERROR ceilometer.pipeline [-] Pipeline event_sink: Exit after error from publisher <ceilometer.publisher.di
       2017-04-13 14:17:06.653 6101 ERROR ceilometer.pipeline Traceback (most recent call last):
       2017-04-13 14:17:06.653 6101 ERROR ceilometer.pipeline File "/usr/lib/python2.7/dist-packages/ceilometer/pipeline.py", line 425, in pu
       2017-04-13 14:17:06.653 6101 ERROR ceilometer.pipeline p.publish_events(events)
       2017-04-13 14:17:06.653 6101 ERROR ceilometer.pipeline File "/usr/lib/python2.7/dist-packages/ceilometer/publisher/direct.py", line 96
       2017-04-13 14:17:06.653 6101 ERROR ceilometer.pipeline for event in events])
       2017-04-13 14:17:06.653 6101 ERROR ceilometer.pipeline File "/usr/lib/python2.7/dist-packages/ceilometer/dispatcher/database.py", line
       2017-04-13 14:17:06.653 6101 ERROR ceilometer.pipeline self.conn.record_events(event_list)
       2017-04-13 14:17:06.653 6101 ERROR ceilometer.pipeline File "/usr/lib/python2.7/dist-packages/ceilometer/event/storage/base.py", line
       2017-04-13 14:17:06.653 6101 ERROR ceilometer.pipeline raise ceilometer.NotImplementedError('Events not implemented.')

Expected result:
ceilometer-agent-notification is running

Additional information:
after restarting service everything is fine