promulo@ubuntu:~/devstack$ cat /opt/stack/log/screen-ceilometer-collector.log
us/stack/ceilometer-collector.failure"or failed to start" | tee "/opt/stack/stat
[1] 29710
ceilometer-collector --config-file /etc/ceilometer/ceilometer.conf
2014-02-04 17:36:00.431 29710 INFO ceilometer.openstack.common.rpc.common [-] Connected to AMQP server on localhost:5672
/usr/local/lib/python2.7/dist-packages/amqp/channel.py:616: VDeprecationWarning: The auto_delete flag for exchanges has been deprecated and will be removed
from py-amqp v1.5.0.
  warn(VDeprecationWarning(EXCHANGE_AUTODELETE_DEPRECATED))