Proxmox system getting restart

Jan 9 16:52:01 stblade1 kernel: [362700.937953] CPU: 8 PID: 7674 Comm: run-parts Tainted: P D O 5.0.15-1-pve #1

5.0.15-1 kernel is pretty old, please update to latest 5.3 based kernel and see if this happens again.

Additional information like:
* when does this started to happen
* does this happens after a while or quite immediate after boot