What causes this series of events to happen randomly? Is there a document that describes what these events are?

2020-10-23 00:38:37 led-controller[1412]: <6> 288051 Start to run WAN1_ON 
2020-10-23 00:38:37 led-controller[1412]: <6> 288051 Start to run WAN0_OFF 
2020-10-23 00:38:37 led-controller[1412]: <6> 288051 Start to run LAN_ON 
2020-10-23 00:38:36 upnp[1695]: <6> 217504 Service start 
2020-10-23 00:38:36 upnp[1695]: <6> 217505 Service stop 
2020-10-23 00:38:34 remote-management[1254]: <6> 282505 Service stop 
2020-10-23 00:38:22 nat[31416]: <6> 211501 Initialization succeeded 
2020-10-23 00:38:21 nat[31416]: <6> 211501 Initialization succeeded 
2020-10-23 00:38:13 nat[29917]: <6> 211501 Initialization succeeded 
2020-10-23 00:38:13 nat[29917]: <6> 211501 Initialization succeeded 
2020-10-23 00:37:35 upnp[25198]: <6> 217504 Service start 
2020-10-23 00:37:34 upnp[25198]: <6> 217505 Service stop 
2020-10-23 00:37:33 remote-management[24832]: <6> 282505 Service stop 
2020-10-23 00:37:14 nat[21791]: <6> 211501 Initialization succeeded 
2020-10-23 00:37:13 nat[21791]: <6> 211501 Initialization succeeded 
2020-10-23 00:37:05 led-controller[1412]: <6> 288051 Start to run WAN1_OFF 
2020-10-23 00:37:05 led-controller[1412]: <6> 288051 Start to run WAN0_ON 
2020-10-23 00:37:05 led-controller[1412]: <6> 288051 Start to run LAN_ON 
2020-10-23 00:36:47 nat[18075]: <6> 211501 Initialization succeeded 
2020-10-23 00:36:46 nat[18075]: <6> 211501 Initialization succeeded 
2020-10-23 00:36:43 led-controller[1412]: <6> 288051 Start to run WAN1_OFF 
2020-10-23 00:36:43 led-controller[1412]: <6> 288051 Start to run WAN0_OFF 
2020-10-23 00:36:43 led-controller[1412]: <6> 288051 Start to run LAN_ON 
2020-10-23 00:36:41 led-controller[1412]: <6> 288051 Start to run WAN1_ON 
2020-10-23 00:36:41 led-controller[1412]: <6> 288051 Start to run WAN0_OFF 
2020-10-23 00:36:41 led-controller[1412]: <6> 288051 Start to run LAN_ON 
2020-10-23 00:36:38 upnp[17294]: <6> 217504 Service start 
2020-10-23 00:36:38 upnp[17294]: <6> 217505 Service stop 
2020-10-23 00:36:37 remote-management[16818]: <6> 282505 Service stop 
2020-10-23 00:36:25 nat[14588]: <6> 211501 Initialization succeeded 
2020-10-23 00:36:24 nat[14588]: <6> 211501 Initialization succeeded 
2020-10-23 00:36:18 nat[13411]: <6> 211501 Initialization succeeded 
2020-10-23 00:36:17 nat[13411]: <6> 211501 Initialization succeeded 
2020-10-23 00:05:37 upnp[8761]: <6> 217504 Service start 
2020-10-23 00:05:37 upnp[8761]: <6> 217505 Service stop 
2020-10-23 00:05:34 remote-management[8345]: <6> 282505 Service stop 
2020-10-23 00:05:15 nat[5304]: <6> 211501 Initialization succeeded 
2020-10-23 00:05:15 nat[5304]: <6> 211501 Initialization succeeded 
2020-10-23 00:05:05 led-controller[1412]: <6> 288051 Start to run WAN1_OFF 
2020-10-23 00:05:05 led-controller[1412]: <6> 288051 Start to run WAN0_ON 
2020-10-23 00:05:05 led-controller[1412]: <6> 288051 Start to run LAN_ON 
2020-10-23 00:04:49 nat[1559]: <6> 211501 Initialization succeeded 
2020-10-23 00:04:49 nat[1559]: <6> 211501 Initialization succeeded 
2020-10-23 00:04:48 led-controller[1412]: <6> 288051 Start to run WAN1_OFF 
2020-10-23 00:04:48 led-controller[1412]: <6> 288051 Start to run WAN0_OFF 
2020-10-23 00:04:48 led-controller[1412]: <6> 288051 Start to run LAN_ON