[Bug 1471208] Re: persistent network interface failed

Martin Pitt martin.pitt at ubuntu.com
Mon Jul 6 05:16:31 UTC 2015


Does that still happen if you move away /lib/udev/rules.d/75-persistent-
net-generator.rules? It should be inert with net.ifnames=1, but can you
please give the output of "cat /proc/cmdline" to be sure that it
actually made it there?

** Changed in: udev (Ubuntu)
       Status: New => Incomplete

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Title:
  persistent network interface failed

Status in udev package in Ubuntu:
  Incomplete

Bug description:
  I've added net.ifnames=1 to GRUB_CMDLINE_LINUX_DEFAULT in
  /etc/default/grub, run sudo update-grub, removed /etc/udev/rules.d/70
  -persistent-net.rules but after reboot I still got eth0 interface
  which according to dmesg was renamed from veth9JEDKK (this ubunte-
  server 15.04 is installed in ovirt cluster).

  How can I avoid this renaming? What exactly causing this? Are there
  some leftovers in addition to 70-persistent-net.rules interfere?

  I don't want ubuntu's udev to be creative about interface naming,
  especially in potentially race-prone manner. What I want is the
  default upstream udev scheme described in
  http://www.freedesktop.org/wiki/Software/systemd/PredictableNetworkInterfaceNames/
  - the less ubuntu differs from other GNU/Linux, the easier it would be
  to maintain.

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