keystone train-em release

meta:version: train-em
meta:diff-start: -
meta:series: train
meta:release-type: release
meta:pypi: no
meta:first: no
meta:release:Author: Előd Illés <elod.illes@est.tech>
meta:release:Commit: Előd Illés <elod.illes@est.tech>
meta:release:Change-Id: Ic142de61e2be97f7e1236d57f4db222e56d11ec6
meta:release:Code-Review+2: Hervé Beraud <herveberaud.pro@gmail.com>
meta:release:Code-Review+1: Kristi Nikolla <knikolla@bu.edu>
meta:release:Code-Review+2: Elod Illes <elod.illes@est.tech>
meta:release:Workflow+1: Elod Illes <elod.illes@est.tech>