Looking at the screenshot:
http://people.canonical.com/~andreserl/error.png
It seems that eth0 has subnet unconfigured and the IP address assigned field is empty, which might be the reason why this error was shown.
Looking at the screenshot:
http:// people. canonical. com/~andreserl/ error.png
It seems that eth0 has subnet unconfigured and the IP address assigned field is empty, which might be the reason why this error was shown.