Looks like NM is picking the wrong card on boot. Please read https://wiki.ubuntu.com/DebuggingNetworkManager and attach appropriate logs.
** Changed in: network-manager (Ubuntu) Sourcepackagename: None => network-manager Importance: Undecided => Medium Status: New => Incomplete -- After initial reboot, wrong ethernet card is used https://bugs.launchpad.net/bugs/134496 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs