Comment 7 for bug 1174418

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Stéphane Graber (stgraber) wrote : Re: Privacy Extensions are set by default on Ubuntu 13.04, but no temporary address will be generate

Good, so we know it's a desktop image.

Now, how's your IPv6 setup?

The various options being:
 - DHCPv6 stateless
 - DHCPv6 stateful
 - SLAAC
 - Static addresses

The privacy extensions only work when the kernel is provided a 64-bit prefix and the main address is dynamic, so if you're doing stateful DHCPv6 or static address assignment, you won't be getting a privacy-extension address.

Can you also make sure to attach the following:
 - /var/log/systelog
 - output of "dmesg"
 - output of "ip -6 addr show"
 - output of "ip -6 route show"
 - output of "nm-tool"

Thanks