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

[Kalle Tuulos]

This feature worked well in my earlier installation (16.04LTS), but when
I re-installed the system yesterday, adding an alias to my USB network
adapter didn't work any more.

---8<---8<---
$ sudo ifup enx000000000016:0
RTNETLINK answers: Numerical result out of range
Failed to bring up enx000000000016:0.
---8<---8<---

The earlier installation was made using Xubuntu 16.04 installation media
and this time I installed the system using Ubuntu 16.04.01 mini iso
media, if this makes any difference.

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https://bugs.launchpad.net/bugs/1567744

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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