The problem is that you're using "inet manual" but set an IP address. This isn't allowed, you need to use "inet static" in such case.
** Changed in: ifupdown (Ubuntu) Status: New => Invalid ** Changed in: ifupdown (Ubuntu) Status: Invalid => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1010439 Title: ifup fails prematurely if the same static IPv4 address was configured per kernel command line To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ifupdown/+bug/1010439/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs