auto eth1
iface eth1 inet static
        address 10.10.10.2
        netmask 255.255.255.0
        broadcast 10.10.10.255
        up ip addr add 2001:5c0:8ad4:FFFF::1 dev eth1
        up ip addr add 2001:5c0:8ad4:FFFF::2 dev eth1
        up ip addr add 2001:5c0:8ad4:FFFF::3 dev eth1
        up ip addr add 2001:4830:1215:FFFF::1 dev eth1
        up ip addr add 2001:4830:1215:FFFF::2 dev eth1
        up ip addr add 2001:4830:1215:FFFF::3 dev eth1