Invalid annotation [] [fandoc:7] - "2025-09-17T14:29:47.608796+08:00 [MQTT] SkySpark[p:shengxizhong:r:30416236-7c4118e2]@10.18.74.200:64336 msg: mqtt_packet_sent, packet: PINGRESP(Q0, R0, D0)"
Hi. Excuse me, what does this mean, partners?
2025-09-17T14:29:47.608591+08:00 [MQTT] SkySpark[p:shengxizhong:r:30416236-7c4118e2]@10.18.74.200:64336 msg: mqtt_packet_received, packet: PINGREQ(Q0, R0, D0) 2025-09-17T14:29:47.608796+08:00 [MQTT] SkySpark[p:shengxizhong:r:30416236-7c4118e2]@10.18.74.200:64336 msg: mqtt_packet_sent, packet: PINGRESP(Q0, R0, D0)