I'm seeing a lot of these messages repeated around the time it loses connection with the portal:
Mon 2025/06/30 02:06:25 PM 0 -170001 UDQ: Queue(s) Full, message ignored
Mon 2025/06/30 02:06:44 PM 0 -170001 UDQ: Queue(s) Full, message ignored
Mon 2025/06/30 02:07:03 PM 0 -170001 UDQ: Queue(s) Full, message ignored
Mon 2025/06/30 02:07:13 PM 0 -170001 UDQ: Queue(s) Full, message ignored
Mon 2025/06/30 02:07:32 PM 0 -170001 UDQ: Queue(s) Full, message ignored
Mon 2025/06/30 02:07:44 PM 0 -170001 UDQ: Queue(s) Full, message ignored
Mon 2025/06/30 02:07:57 PM 0 -170001 UDQ: Queue(s) Full, message ignored
Mon 2025/06/30 02:08:16 PM 0 -170001 UDQ: Queue(s) Full, message ignored
Mon 2025/06/30 02:08:26 PM 0 -170001 UDQ: Queue(s) Full, message ignored