Index: scripts/wifi_start_wpa_supplicant.sh
===================================================================
diff -u -rc9f8f8cf3c6c37fc6460d8675c62c9442c4d4263 -r3e7cdf9b112dc6e865323e8381cecfd5d988a927
--- scripts/wifi_start_wpa_supplicant.sh	(.../wifi_start_wpa_supplicant.sh)	(revision c9f8f8cf3c6c37fc6460d8675c62c9442c4d4263)
+++ scripts/wifi_start_wpa_supplicant.sh	(.../wifi_start_wpa_supplicant.sh)	(revision 3e7cdf9b112dc6e865323e8381cecfd5d988a927)
@@ -23,8 +23,10 @@
 
 iface=$1
 wpa_supplicant_path=$2
-wpa_cli terminate
-killall udhcpc
-killall wpa_supplicant
-sleep 1
-wpa_supplicant -B -i $iface -c $wpa_supplicant_path wext
+
+# restart the wpa_supplicant service for wifi
+systemctl restart wpa_supplicant@"$iface".service
+
+# make sure that the ethernet is enabled
+udhcpc eth0 &
+