Found the following in the system.log. Something gone wrong with the statistics db?
Thu Sep 1 13:43:36 2022 daemon.err mdcollectd: SQLite error: source and destination must be distinct
Thu Sep 1 13:43:36 2022 daemon.err mdcollectd: Error while doing database backup
Thu Sep 1 13:44:36 2022 daemon.err mdcollectd: SQLite error: source and destination must be distinct
Thu Sep 1 13:44:36 2022 daemon.err mdcollectd: Error while doing database backup
Thu Sep 1 13:45:00 2022 cron.err crond[7971]: USER root pid 26608 cmd /usr/sbin/ping_reboot.sh cfg01c21d
Thu Sep 1 13:45:01 2022 user.notice ping_reboot.sh: Ping successful.
Thu Sep 1 13:46:50 2022 daemon.info unhandler[2944]: *Unsolicited id: 1-1 | msg: '+CREG: 1,"033F","3676220",7'
Thu Sep 1 13:46:50 2022 daemon.info unhandler[2944]: *Unsolicited id: 1-1 | msg: '+CGREG: 1,"033F","3676220",7'
Thu Sep 1 13:46:55 2022 daemon.info dnsmasq-dhcp[8849]: DHCPREQUEST(br-lan) 192.168.3.121 c0:61:9a:b0:6b:89
Thu Sep 1 13:46:55 2022 daemon.info dnsmasq-dhcp[8849]: DHCPACK(br-lan) 192.168.3.121 c0:61:9a:b0:6b:89 einstein
Thu Sep 1 13:47:04 2022 daemon.info unhandler[2944]: *Unsolicited id: 1-1 | msg: '+CREG: 1,"033F","1A5E923",7'
Thu Sep 1 13:47:04 2022 daemon.info unhandler[2944]: *Unsolicited id: 1-1 | msg: '+CGREG: 1,"033F","1A5E923",7'
Thu Sep 1 13:48:10 2022 daemon.info unhandler[2944]: *Unsolicited id: 1-1 | msg: '+CREG: 1,"033F","3676225",7'
Thu Sep 1 13:48:10 2022 daemon.info unhandler[2944]: *Unsolicited id: 1-1 | msg: '+CGREG: 1,"033F","3676225",7'
Thu Sep 1 13:48:14 2022 kern.notice Authentication was successful from HTTP 192.168.0.7
Thu Sep 1 13:48:14 2022 daemon.err uhttpd[3376]: vuci: accepted login for admin from 192.168.0.7
Thu Sep 1 13:48:19 2022 daemon.info unhandler[2944]: *Unsolicited id: 1-1 | msg: '+CREG: 1,"033F","1A5E923",7'
Thu Sep 1 13:48:19 2022 daemon.info unhandler[2944]: *Unsolicited id: 1-1 | msg: '+CGREG: 1,"033F","1A5E923",7'
Thu Sep 1 13:48:31 2022 daemon.err mdcollectd: Failed to get raw data
Thu Sep 1 13:48:31 2022 daemon.err vuci[13772]: /usr/bin/lua: /usr/lib/lua/ubus/network/mobile.lua:169: attempt to index a nil value
Thu Sep 1 13:48:31 2022 daemon.err vuci[13772]: stack traceback:
Thu Sep 1 13:48:31 2022 daemon.err vuci[13772]: /usr/lib/lua/ubus/network/mobile.lua:169: in function </usr/lib/lua/ubus/network/mobile.lua:119>
Thu Sep 1 13:48:31 2022 daemon.err vuci[13772]: [C]: in function 'run'
Thu Sep 1 13:48:31 2022 daemon.err vuci[13772]: /usr/sbin/vuci:98: in function 'main'
Thu Sep 1 13:48:31 2022 daemon.err vuci[13772]: /usr/sbin/vuci:101: in main chunk
Thu Sep 1 13:48:31 2022 daemon.err vuci[13772]: [C]: ?