It's relatively unlikely that the initrd is related to this. The most likely change from -6 was this:
http://anonscm.debian.org/cgit/pkg- systemd/systemd.git/commit/?id=c90467c1b29 In a boot with the failed networking, can you please run sudo systemctl status -u network-pre.target networking.service network.target ifup@eth0.service sudo systemctl --all | grep ifup and copy&paste the output here? (You might first need to copy it into a file, then reboot with networking (e. g. under upstart), and then attach the file here. Thanks! ** Changed in: systemd (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/1420601 Title: Systemd_218-6ubuntu1 and later cannot connect to network except via USB To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1420601/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
