155f747a66
String interpolation should be delayed to be handled by the logging code, rather than being done at the point of the logging call. Ref:http://docs.openstack.org/developer/oslo.i18n/guidelines.html#log-translation For example: # WRONG LOG.info(_LI('some message: variable=%s') % variable) # RIGHT LOG.info(_LI('some message: variable=%s'), variable) Change-Id: If8d36220a9370b304ae51a329f8bba370285fdc2