Edit /usr/lib/systemd/system/thermald.service to add option --loglevel=info. Basically /usr/sbin/thermald --systemd --dbus-enable --adaptive changes to /usr/sbin/thermald --systemd --dbus-enable --adaptive --loglevel=info
Then reboot and when you see the condition attach the output of journalctl -rb /usr/sbin/thermald
Edit /usr/lib/ systemd/ system/ thermald. service to add option --loglevel=info. Basically
/usr/sbin/thermald --systemd --dbus-enable --adaptive
changes to
/usr/sbin/thermald --systemd --dbus-enable --adaptive --loglevel=info
Then reboot and when you see the condition attach the output of
journalctl -rb /usr/sbin/thermald