Debugging WiFi on ESP32

[shariltumin]

I'm running MicroPython with

CONFIG_LOG_DEFAULT_LEVEL_DEBUG=y

and while connected to wifi I can see a stream of endless bedug messages:

...
D (4281176) esp_netif_lwip: esp_netif_get_ip_info esp_netif:0x3ffbd67c
D (4282176) esp_netif_lwip: esp_netif_get_ip_info esp_netif:0x3ffbd67c
D (4283576) esp_netif_lwip: esp_netif_get_ip_info esp_netif:0x3ffbd67c
D (4284576) esp_netif_lwip: esp_netif_get_ip_info esp_netif:0x3ffbd67c
D (4285976) esp_netif_lwip: esp_netif_get_ip_info esp_netif:0x3ffbd67c
D (4286986) esp_netif_lwip: esp_netif_get_ip_info esp_netif:0x3ffbd67c
D (4288386) esp_netif_lwip: esp_netif_get_ip_info esp_netif:0x3ffbd67c
D (4290786) esp_netif_lwip: esp_netif_get_ip_info esp_netif:0x3ffbd67c
D (4291786) esp_netif_lwip: esp_netif_get_ip_info esp_netif:0x3ffbd67c
D (4308786) esp_netif_lwip: esp_netif_get_ip_info esp_netif:0x3ffbd67c
D (4309776) esp_netif_lwip: esp_netif_get_ip_info esp_netif:0x3ffbd67c
D (4311166) esp_netif_lwip: esp_netif_get_ip_info esp_netif:0x3ffbd67c
D (4312166) esp_netif_lwip: esp_netif_get_ip_info esp_netif:0x3ffbd67c
D (4313556) esp_netif_lwip: esp_netif_get_ip_info esp_netif:0x3ffbd67c
D (4314556) esp_netif_lwip: esp_netif_get_ip_info esp_netif:0x3ffbd67c
D (4315956) esp_netif_lwip: esp_netif_get_ip_info esp_netif:0x3ffbd67c
D (4318356) esp_netif_lwip: esp_netif_get_ip_info esp_netif:0x3ffbd67c
D (4319356) esp_netif_lwip: esp_netif_get_ip_info esp_netif:0x3ffbd67c
...
MPY: soft reboot
MicroPython v1.20.0-487-g00930b213-dirty on 2023-09-25; ESP32 WROOM with ESP32
>>> D (4518846) esp_netif_lwip: esp_netif_get_ip_info esp_netif:0x3ffbd67c
D (4519846) esp_netif_lwip: esp_netif_get_ip_info esp_netif:0x3ffbd67c
D (4521246) esp_netif_lwip: esp_netif_get_ip_info esp_netif:0x3ffbd67c
D (4522246) esp_netif_lwip: esp_netif_get_ip_info esp_netif:0x3ffbd67c
D (4523636) esp_netif_lwip: esp_netif_get_ip_info esp_netif:0x3ffbd67c
...

Can anyone explain what is going on?