[Unit]
Description=WPA Supplicant daemon (interface %i)
After=dbus.service network.target
Requires=sys-subsystem-net-devices-%I.device
After=sys-subsystem-net-devices-%I.device

[Service]
Type=dbus
BusName=fi.w1.wpa_supplicant1
ExecStart=/usr/sbin/wpa_supplicant -i%i -c /etc/wpa_supplicant/wpa_supplicant.conf -u -t -f /var/log/wpa_supplicant.log

[Install]
WantedBy=multi-user.target