Seems similar in my situation. I’m a new user on Home Assistant and just installed zigbee2mqtt a few days ago. I have 27 devices including many Hue Motion sensors. And as of yesterday a new Ikea Vallhorn sensors that floods the logs and zigbee network for no good reason like every 10 seconds:
[2024-06-10 14:55:10] info: z2m:mqtt: MQTT publish: topic 'zigbee2mqtt/HA/IkeaMotion', payload '{"battery":87,"illuminance":28109,"illuminance_lux":647,"linkquality":87,"occupancy":false,"update":{"installed_version":16777316,"latest_version":16777316,"state":"idle"},"update_available":null}'
[2024-06-10 14:55:20] info: z2m:mqtt: MQTT publish: topic 'zigbee2mqtt/HA/IkeaMotion', payload '{"battery":87,"illuminance":27874,"illuminance_lux":613,"linkquality":87,"occupancy":false,"update":{"installed_version":16777316,"latest_version":16777316,"state":"idle"},"update_available":null}'
[2024-06-10 14:55:30] info: z2m:mqtt: MQTT publish: topic 'zigbee2mqtt/HA/IkeaMotion', payload '{"battery":87,"illuminance":27649,"illuminance_lux":582,"linkquality":87,"occupancy":false,"update":{"installed_version":16777316,"latest_version":16777316,"state":"idle"},"update_available":null}'
[2024-06-10 14:55:40] info: z2m:mqtt: MQTT publish: topic 'zigbee2mqtt/HA/IkeaMotion', payload '{"battery":87,"illuminance":27678,"illuminance_lux":586,"linkquality":87,"occupancy":false,"update":{"installed_version":16777316,"latest_version":16777316,"state":"idle"},"update_available":null}'
[2024-06-10 14:55:48] info: z2m:mqtt: MQTT publish: topic 'zigbee2mqtt/HA/IkeaMotion', payload '{"battery":87,"illuminance":27678,"illuminance_lux":586,"linkquality":87,"occupancy":false,"update":{"installed_version":16777316,"latest_version":16777316,"state":"idle"},"update_available":null}'
[2024-06-10 14:55:50] info: z2m:mqtt: MQTT publish: topic 'zigbee2mqtt/HA/IkeaMotion', payload '{"battery":87,"illuminance":27824,"illuminance_lux":606,"linkquality":87,"occupancy":false,"update":{"installed_version":16777316,"latest_version":16777316,"state":"idle"},"update_available":null}'
[2024-06-10 14:56:00] info: z2m:mqtt: MQTT publish: topic 'zigbee2mqtt/HA/IkeaMotion', payload '{"battery":87,"illuminance":28149,"illuminance_lux":653,"linkquality":87,"occupancy":false,"update":{"installed_version":16777316,"latest_version":16777316,"state":"idle"},"update_available":null}'
[2024-06-10 14:56:10] info: z2m:mqtt: MQTT publish: topic 'zigbee2mqtt/HA/IkeaMotion', payload '{"battery":87,"illuminance":31306,"illuminance_lux":1351,"linkquality":87,"occupancy":false,"update":{"installed_version":16777316,"latest_version":16777316,"state":"idle"},"update_available":null}'
[2024-06-10 14:56:20] info: z2m:mqtt: MQTT publish: topic 'zigbee2mqtt/HA/IkeaMotion', payload '{"battery":87,"illuminance":31351,"illuminance_lux":1365,"linkquality":87,"occupancy":false,"update":{"installed_version":16777316,"latest_version":16777316,"state":"idle"},"update_available":null}'