enable wifi lan (wlan0) by wpa_supplicant, but rtnetlink triger NEW_LINK
wpa_supplicant.conf contains a network but cannot access nor connect, wifi would retry periodically, so RTM_NEWOINK with IFLAG = IFF_UP | IFF_BROADCAST (0x1003) send to userspace periodically with each trial.
- revmoe network from default wpa_supplicant.conf
- or set autoscan=period:5 (to set the retry time)
- or set sched_scan_plans=sec:trial sec:trial …
If sched_scan_plans are configured and supported by the driver, autoscan is ignored.