Not experienced anything remotely like that. My server only ever reboots for OS upgrades, typically going for 180+ days. I'm still running on 6.5.3, so uptime would have been since June 2018 if it weren't for power outage of 1 hour or longer.
root@UNRAID:~# uptime
19:50:16 up 178 days, 5:14, 1 user, load average: 0.12, 0.08, 0.03