Cannot adjust 'NTP' service  while openQA trial install TW 20170911

as per y2log extract:
===
2017-09-12 13:27:34 <1> install(3223) [Ruby] modules/Service.rb:112 Enabling
service 'ntpd'
2017-09-12 13:27:34 <1> install(3223) [Ruby] yast2/systemd_unit.rb:123
`systemctl is-enabled ntpd.service `
2017-09-12 13:27:34 <3> install(3223) [bash] ShellCommand.cc(shellcommand):78
Failed to get unit file state for ntpd.service: No such file or directory
2017-09-12 13:27:34 <3> install(3223) [Ruby] modules/Service.rb:443 Service
'ntpd' not found
2017-09-12 13:27:34 <3> install(3223) [Ruby] modules/NtpClient.rb:1199 Cannot
adjust 'NTP' service.
===

## Observation openQA test in scenario
opensuse-Tumbleweed-DVD-ppc64le-RAID0@ppc64le fails in install_and_reboot
http://openqa.opensuse.org/tests/483655/modules/install_and_reboot/steps/21 ##
Reproducible Fails since at least Build 20170911
http://openqa.opensuse.org/tests/483655 current job ## Expected result Last
good: 20170905 http://openqa.opensuse.org/tests/480676 or more recent ##
Further details Always latest result in this scenario: latest
http://openqa.opensuse.org/tests/latest?machine=ppc64le&flavor=DVD&distri=opensuse&arch=ppc64le&test=RAID0&version=Tumbleweed%20