[Bug 1910775] Re: netdev does not support the independent flag for vxlan

[Robert Müller]

Normally we would do this via netplan. But netplan lacks support of
VXLAN (https://bugs.launchpad.net/netplan/+bug/1764716). Therefore the
next option is to use systemd.

In the current systemd version (as in focal) this happens:
https://github.com/systemd/systemd/issues/17064 and the fix suggested
here:
https://github.com/systemd/systemd/issues/17335#issuecomment-707852338
does not work since we do not want a network configuration at this point
and the Independent flag is not implemented. So it is not possible to
create *only* the device.

Hope that clarifies a bit more, thanks!

** Bug watch added: github.com/systemd/systemd/issues #17064
   https://github.com/systemd/systemd/issues/17064

** Bug watch added: github.com/systemd/systemd/issues #17335
   https://github.com/systemd/systemd/issues/17335

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https://bugs.launchpad.net/bugs/1910775

Title:
  netdev does not support the independent flag for vxlan

Status in systemd package in Ubuntu:
  Incomplete

Bug description:
  systemd.netdev does support the independet option for various types of
  interfaces but not for type vxlan. This options was added in a later
  release of systemd (247) with this PR:
  https://github.com/systemd/systemd/pull/17073.

  Since it is currently not possible to create a interface with type
  vxlan it would be nice the include this change in the current LTS
  release (focal).

  "We also need":
  1) Description: Ubuntu 20.04.1 LTS, Release: 20.04
  2) systemd:
    Installed: 245.4-4ubuntu3.3
    Candidate: 245.4-4ubuntu3.3
  3) systemd support the flag
  4) it does not support it

  Thanks!

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