AP-STA-DISCONNECTED

Nov 30 08:58:32 SERVER wpa_supplicant[511]: wlp6s0: AP-STA-DISCONNECTED 56:a4:72:cc:b2:xx

Dec 02 08:04:39 SERVER wpa_supplicant[504]: wlp6s0: ap_sta_disconnect addr  56:a4:72:cc:b2:xx reason=2
http://w1.fi/hostapd/devel/ieee802__11__defs_8h.html
#define 	WLAN_REASON_PREV_AUTH_NOT_VALID   2

Dec 02 08:34:36 APP-VM-btsys-l2-1 wpa_supplicant[504]: hostapd_logger: STA r8:1c:79:tt:t3:t2 - EAPOL-Key timeout

See also

• iw, iw list, iw event, iw wlan0 info, wpa_cli status|xxx|dump , wpa_supplicant, WPS, Wpa supplicant authentication logs, AP-STA-CONNECTED