iface eth0 inet6 static
        address 2001:ba8:1f1:f1d1::2
        netmask 64
        gateway 2001:ba8:1f1:f1d1::1
        pre-up ip6tables-restore < /etc/network/ip6tables.rules
        post-up ip -6 address add 2001:ba8:1f1:f1d1::22/128 dev eth0 preferred_lft 0
        post-up ip -6 address add 2001:ba8:1f1:f1d1::451/128 dev eth0 preferred_lft 0
        post-up ip -6 address add 2001:ba8:1f1:f1d1::cc1/128 dev eth0 preferred_lft 0
        post-up ip -6 address add 2001:ba8:1f1:f1d1::1194/128 dev eth0 preferred_lft 0
        post-up ip -6 address add 2001:ba8:1f1:f1d1::1996/128 dev eth0 preferred_lft 0