Does it make any difference if you define your interface(s) as "auto" in /e/n/i, e.g.,
auto eth0 ** Changed in: network-manager (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/442972 Title: NetworkManager assigns default route to one of two interfaces despite their both being defined in /e/n/i and managed=false To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/442972/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs