[Bug 1567744] Re: USB NICs get too long name for ifupdown aliases or bridge names

[Mathieu Trudel-Lapierre]

Moving to "ubuntu-17.05" (in other words, "just past zesty release"). I
think this still needs to be addressed and I'm sorry it hasn't been
fixed yet. I'll revive the discussion on this subject and look at the
already proposed solutions.

Seems like we don't need vastly new technology to properly handle VLANs,
bridges, aliases at least in the typical situations; especially given
that there *are* workarounds.

** Changed in: systemd (Ubuntu)
    Milestone: ubuntu-17.03 => ubuntu-17.05

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Title:
  USB NICs get too long name for ifupdown aliases or bridge names

Status in systemd package in Ubuntu:
  Triaged

Bug description:
  I have a USB NIC that is connected to my denial system. I tried to
  create an alias, and after reboot, it wasn't created. When I manually
  try to bring it up I have the error.

  /e/n/i:

  auto enx000ec688b79f
  iface enx000ec688b79f inet static
          address 10.90.90.1
          netmask 255.255.255.0

  auto enx000ec688b79f:1
  iface enx000ec688b79f:1 inet static
          address 192.168.100.1
          netmask 255.255.255.0

  ubuntu at maas00:~$ sudo ifup enx000ec688b79f
  ubuntu at maas00:~$ sudo ifup enx000ec688b79f:1
  RTNETLINK answers: Numerical result out of range
  Failed to bring up enx000ec688b79f:1.

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