String interpolation should be delayed to be handled by the
logging code, rather than being done at the point of the
logging call.
So we should use-
LOG.info(_LI('some message: variable=%s'), variable)
instead of
LOG.info(_LI('some message: variable=%s') % variable)
Change-Id: I6b3e578f2a0b66f253d49fe44766b6a31196a7c4
link: http://docs.openstack.org/developer/oslo.i18n/guidelines.html
f20ca36d15