auto lo
iface lo inet loopback
	up ip addr add 10.40.217.0/32 dev lo
	up ip addr add 2001:db8:40:: dev lo
	down ip addr del 2001:db8:40:: dev lo
	down ip addr del 10.40.217.0/32 dev lo

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

auto vlan216
iface vlan216 inet manual
	up ip link set up dev vlan216
	up ip addr add 10.40.216.2/28 brd + dev vlan216
	up ip addr add 2001:db8:40:d8::2/120 dev vlan216
	down ip addr del 2001:db8:40:d8::2/120 dev vlan216
	down ip addr del 10.40.216.2/28 dev vlan216
	down up link set down dev vlan216