The following should be removed from Handbook:Parts/Networking/Wireless # It's important to tell wpa_supplicant which driver it should # be using as it's not very good at guessing yet wpa_supplicant_eth0="-Dnl80211" because old versions of wpa_supplicant defaulting to wext have been removed from the tree on 21 Mar 2015. See http://w1.fi/cgit/hostap/plain/wpa_supplicant/ChangeLog 2014-02-04 - v2.1 * changed the default driver interface from wext to nl80211 if both are included in the build