auto lo
iface lo inet loopback

manual eth0
iface eth0 inet dhcp
    hwaddress ether $(fw_printenv -n ethaddr || echo 00:24:B8:FF:FF:FF)

auto wlan0
iface wlan0 inet dhcp
    pre-up /etc/network/netsetup startup
    post-up /etc/network/netsetup connect
    post-down /etc/network/netsetup shutdown

manual wg0
iface wg0 inet static
    address 192.168.99.1
    netmask 255.255.255.0
    pre-up modprobe wireguard
    pre-up ip link add dev wg0 type wireguard
    pre-up wg setconf wg0 /etc/wireguard.conf
    post-down ip link del dev wg0