root@LXS-VOSTRO1:~# /etc/init.d/networking restart
 * Reconfiguring network interfaces...                                                                                                                                                                             RTNETLINK answers: File exists
Failed to bring up he-ipv6.
                                                                                                                                                                                                            [ OK ]
root@LXS-VOSTRO1:~# cat /etc/network/interfaces
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
#auto eth0
#iface eth0 inet dhcp

    auto he-ipv6
    iface he-ipv6 inet6 v4tunnel
        address 2001:470:1f08:3f6::2
        netmask 64
        remote 216.66.80.26
        local 79.79.213.203
        endpoint any
        ttl 64
        up      ip -6 route add 2000::/3 via ::216.66.80.26 dev he-ipv6
        up      ip -6 addr add 2001:470:1f09:3f6::1/64 dev wlan0
#        up      ip -6 addr add 2001:470:1f09:3f6::2/64 dev wlan0
        down    ip -6 route flush dev he-ipv6