* Simplify self healing capabilities of Supervisor service Instead of relying on time based information on how long the container has been running use a startup marker file to infer if the last startup has been successful. * Update buildroot-external/rootfs-overlay/usr/sbin/hassos-supervisor Co-authored-by: Pascal Vizeli <pascal.vizeli@syshack.ch> Co-authored-by: Pascal Vizeli <pascal.vizeli@syshack.ch>