Unexpected LTE system info

These messages appear periodically on the logs of a Zyxel LTE5398-M904 using ModemManager; can anybody please have a look at them, and tell me whether there is anything to be worried about?

Tue Jul  2 16:09:10 2024 daemon.warn [2495]: <wrn> [modem3] unexpected LTE system info: domain valid yes, domain unknown, service status available
Tue Jul  2 16:09:10 2024 daemon.notice [2495]: <msg> [modem3] 3GPP registration state changed (home -> searching)
Tue Jul  2 16:09:10 2024 daemon.info [2495]: <inf> [modem3] consolidated registration state: cs 'searching', ps 'searching', eps 'unknown', 5gs 'unknown' --> 'searching'
Tue Jul  2 16:09:10 2024 daemon.notice [2495]: <msg> [modem3] 3GPP packet service state changed (attached -> detached)
Tue Jul  2 16:09:10 2024 daemon.info [2495]: <inf> [modem3] access technology changed (lte -> unknown)
Tue Jul  2 16:09:10 2024 daemon.notice [2495]: <msg> [modem3] 3GPP registration state changed (searching -> registering)
Tue Jul  2 16:09:10 2024 daemon.info [2495]: <inf> [modem3] access technology changed (unknown -> lte)
Tue Jul  2 16:09:10 2024 daemon.notice [2495]: <msg> [modem3] 3GPP registration state changed (registering -> home)
Tue Jul  2 16:09:10 2024 daemon.info [2495]: <inf> [modem3] consolidated registration state: cs 'searching', ps 'searching', eps 'home', 5gs 'unknown' --> 'home'
Tue Jul  2 16:09:26 2024 daemon.notice [2495]: <msg> [modem3] 3GPP packet service state changed (detached -> attached)