Temporary solution, script placed in /lib/systemd/system-sleep/

case $1/$2 in
        post/suspend)
                if [ `cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor 
| grep powersave | wc -l` -ne 4 ]; then
                        echo 'powersave' | tee 
/sys/devices/system/cpu/cpu[0-3]/cpufreq/scaling_governor
                fi;;
esac

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https://bugs.launchpad.net/bugs/1512153

Title:
  Secondary CPUs switch to "performance" cpufreq following
  suspend/resume cycle

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