[Unit]
Description=WPA supplicant for netplan %I
Requires=sys-subsystem-net-devices-%i.device
After=sys-subsystem-net-devices-%i.device
Before=network.target
Wants=network.target

[Service]
Type=simple
ExecStart=/sbin/wpa_supplicant -c /run/netplan/wpa-%I.conf -i%I