root@raspberrypi:~# grep hostapd /var/log/syslog | grep -v -e 'has been successfully authenticated' -e 'Sending STA is leaving BSS' -e 'STA is leaving IBSS or ESS' -e 'Assoc request' -e 'associated with BSSID' -e 'Disassociated due to inactivity' -E -e 'deauthenticated$'