When switches Cisco SG350X-24 reach 497 days without restart, uptime is reseted. No reboot, no SNMP message, just counting from 0 again. Why?? I got more of them and all do the same thing. Using PRTG to monitor over SNMP. FW ver. 2.5.0.92

In the network we use Cisco SG350X-24-K9 V02 switches (FW: 2.5.0.90). After 495 days they rebooted spontaneously, or their uptime was reset, but there is no mention of the reboot in the log (and also no interruption of data). After about 3 weeks, the...