This has been fixed by the latest systemd upgrade: systemd (219-4ubuntu8) vivid; urgency=medium
* force ifup@ to run after systemd-tmpfiles-setup as ifupdown operations require /run/network which is being created by tmpfiles (LP: #1434020). -- Scott Moser <smo...@ubuntu.com> Fri, 20 Mar 2015 09:48:23 -0400 ** Changed in: network-manager (Ubuntu) Status: Confirmed => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1424664 Title: no ifupdown configuration found To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1424664/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs