auto lo
iface lo inet loopback
	up ip addr add 2001:db8:2b::40 dev lo

iface vlan2221 inet manual
	up ip link set up dev vlan2221
	up ip addr add 172.16.221.40/24 brd + dev vlan2221
	up ip addr add 2400:5000:6148:2af3::40/64 dev vlan2221
	down ip addr del 2400:5000:6148:2af3::40/64 dev vlan2221
	down ip addr del 172.16.221.40/24 dev vlan2221
	down ip link set down dev vlan2221

iface vlan2222 inet manual
	up ip link set up dev vlan2222
	up ip addr add 172.16.222.40/24 brd + dev vlan2222
	up ip addr add 2400:5000:6148:2af1::40/64 dev vlan2222
	down ip addr del 2400:5000:6148:2af1::40/64 dev vlan2222
	down ip addr del 172.16.222.40/24 dev vlan2222
	down ip link set down dev vlan2222

iface vlan2217 inet manual
	up ip link set up dev vlan2217
	up ip addr add 172.16.217.1/24 brd + dev vlan2217
	up ip addr add 2400:5000:6148:2aaf::1/64 dev vlan2217
	down ip addr del 2400:5000:6148:2aaf::1/64 dev vlan2217
	down ip addr del 172.16.217.1/24 dev vlan2217
	down ip link set down dev vlan2217