auto he-ipv6
    iface he-ipv6 inet6 v4tunnel
        address 2001:470:1f04:5ec::2
        netmask 64
        remote 72.52.104.74
        local 172.31.12.30
        endpoint any
        ttl 64
        up      ip -6 route add 2000::/3 via ::72.52.104.74 dev he-ipv6
        up      ip -6 addr add 2001:470:824f::1/48 dev he-ipv6
#        up      ip -6 addr add $ROUTED_IP_2/128 dev he-ipv6
        down    ip -6 route flush dev he-ipv6