auto lo
iface lo inet loopback

auto vlan2
iface vlan2 inet manual
	up ip link set up dev vlan2
	up ip addr add 10.40.2.6/24 brd + dev vlan2
	up ip addr add 2001:db8:40:2::6/120 dev vlan2
	up ip route add default via 10.40.2.1 dev vlan2
	up ip route add default via 2001:db8:40:2::1 dev vlan2
	down ip route -6 del default
	down ip addr del 2001:db8:40:2::6/120 dev vlan2
	down ip addr del 10.40.2.6/24 dev vlan2
	down up link set down dev vlan2