This is a duplicate of bug 223431 since nobody seems to be paying any attention to it. This bug breaks any IPv6 network with a Fedora Core 6 client on it as you have to manually reconfigure the box when it boots. I'm surprised this bug has lasted more than a couple days much less a more than a week.
Same problem hits me on an i686 kernel, not nice...
Please don't clone bugs just to get attention. *** This bug has been marked as a duplicate of 223431 ***
I would love to not have cloned it but I couldn't change the priority of the first one. Also, if this had been DHCP that were broken, a RH person would've responded to the bug nearly immediately and a fix would've been out the next day. It seems that RH isn't all that enthusiastic about people using IPv6 if the response time is 22 days without even an acknowledgement that the problem is real.