According to the log, to me it looks like you have native IPv6 already on eth0. Is that your WAN interface, configured as 'Ethernet DHCP / Cable Modem'? If yes, please just disable the tunnel broker as it's not needed anymore.
According to the log, to me it looks like you have native IPv6 already on eth0. Is that your WAN interface, configured as 'Ethernet DHCP / Cable Modem'? If yes, please just disable the tunnel broker as it's not needed anymore.