auto test_wg0
iface test_eth0
	address 203.0.113.2/24
	address fc00::2/64
	gateway 203.0.113.6
	gateway fc00::1
	up /usr/local/bin/etho-up.sh
	down /usr/local/bin/etho-down.sh
	up ip addr add 203.0.113.3/24 dev $IFACE
	down ip addr del 203.0.113.3/24 dev $IFACE
	up ip route add 10.23.1.0/24 via 203.0.113.4 metric 256 dev $IFACE
	down ip route del 10.23.1.0/24 via 203.0.113.4 metric 256 dev $IFACE

iface test_wg0
	use wireguard
	address 1.4.3.4/24
	requires eth0

iface test_v6
	address 2001:470:1f10::1

iface test_v4
	address 203.0.115.2

iface test_eth0.8
	address 2001:db8:1000:2::2/64

iface test_servers
	vlan-raw-device eth0
	vlan-id 8
	address 2001:db8:1002:2::2/64

iface test_lo inet loopback

auto test_eth1

auto test_backend
iface test_eth1
	address 1.2.3.4/24
	address abcd:ef12:3456:3::4/64
	mtu 8000
	up ip -6 route add abcd:ef12:3455:3::/64 via abcd:ef12:3456:3::1 metric 100 dev $IFACE
	down ip -6 route del abcd:ef12:3455:3::/64 via abcd:ef12:3456:3::1 metric 100 dev $IFACE
	up ip route add 10.253.2.0/24 via 1.2.3.1 metric 100 dev $IFACE
	down ip route del 10.253.2.0/24 via 1.2.3.1 metric 100 dev $IFACE

iface test_backend
    address 1.2.10.4/24
    gateway 1.2.10.1
    address abcd:ef12:3456:10::4/64
    gateway abcd:ef12:3456:10::1
    mtu 8000
    vlan-raw-device eth0
    vlan_id 5

auto test_eth2
iface test_eth2
	address 2001:db8:1003:2::2
	netmask 112
	gateway 2001:db8:1003:2::1

auto test_eth3
iface test_eth3
	address 203.0.114.2
	netmask 255.255.255.248
	gateway 203.0.114.1