Apply review suggestions #1436

Job	Run time
select-dc-files	32s
validate (./DC-alp-dolomite ./DC-bci-variants ./DC-cockpit-alp-dolomite ./DC-cockpit-slemicro ./D...	34s
validate (./DC-concept-klp ./DC-concept-manage-virtual-machines-libvirt ./DC-concept-securing-wit...	34s
validate (./DC-concept-virtualization ./DC-concept-zypper ./DC-cpu-check-temperature ./DC-forward...	48s
validate (./DC-ntp-time-synchronization ./DC-raids ./DC-reference-connection-accounting-utilities...	38s
validate (./DC-reference-systemctl-start-stop-services ./DC-reference-zypper-install ./DC-SLE-Mic...	43s
validate (./DC-task-add-modules-extensions-after-installation ./DC-task-assign-pci-device-libvirt...	38s
validate (./DC-task-create-systemd-timers ./DC-task-debug-failed-systemd-services ./DC-task-delet...	37s
validate (./DC-task-send-termination-signals-systemd ./DC-task-setup-free-radius-server ./DC-task...	40s
build-html	0s
publish	0s
	5m 44s

Provide feedback