Mosquitto broker Einträge im Protokoll

Folgende Einträge sehe ich im Log:

2025-01-31 07:08:59: New connection from 172.30.33.7:48726 on port 1883.
2025-01-31 07:08:59: New client connected from 172.30.33.7:48726 as mqttjs_5af17c1b (p2, c1, k60, u'addons').
2025-01-31 07:09:02: New connection from 172.30.32.1:49599 on port 1883.
2025-01-31 07:09:02: New client connected from 172.30.32.1:49599 as 3AScKGQBk97EMuALhlLFha (p2, c1, k60, u'homeassistant').

Was ist das?