[Bug 1903300] Re: systemd-networkd silently fails to set vxlan multicast group

[Chris Halse Rogers]

Hello Martin, or anyone else affected,

Accepted systemd into focal-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/systemd/245.4-4ubuntu3.4 in a few
hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
focal to verification-done-focal. If it does not fix the bug for you,
please add a comment stating that, and change the tag to verification-
failed-focal. In either case, without details of your testing we will
not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: systemd (Ubuntu Focal)
       Status: In Progress => Fix Committed

** Tags added: verification-needed verification-needed-focal

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https://bugs.launchpad.net/bugs/1903300

Title:
  systemd-networkd silently fails to set vxlan multicast group

Status in systemd:
  Fix Released
Status in systemd package in Ubuntu:
  Fix Released
Status in systemd source package in Focal:
  Fix Committed

Bug description:
  [impact]

  setting VXLAN.Group does not correctly configure multicast group

  [test case]

  taken from upstream bug, example networkd config:

  [NetDev]
  Kind=vxlan
  Name=myvx

  [VXLAN]
  VNI=1
  Group=ff02::42:1
  DestinationPort=8472

  After restarting systemd-networkd the VXLAN device is created, but the
  group address is not assigned. Use ip -d link show myvx and networkctl
  show myvx to verify.

  [regression potential]

  any regression would likely cause problems only with VXLAN netdevs
  created by networkd.

  [scope]

  this is needed only for f.

  this was introduced by upstream commit 83cb24ac20b which was first in
  v243, so this bug does not exist in b and earlier.

  this was fixed by upstream commit
  7c9b26900cc33daf080627daf5904de74c1ef267 (and two following commits)
  which were first included in v246, so this is already fixed in g and
  later.

  [original description]

  
  Fixed upstream, please include [1].

  Thank you.

  [1] https://github.com/systemd/systemd/pull/15397

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: systemd 245.4-4ubuntu3.3
  ProcVersionSignature: Ubuntu 5.4.0-52.57-generic 5.4.65
  Uname: Linux 5.4.0-52-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.11
  Architecture: amd64
  CasperMD5CheckResult: skip
  Date: Fri Nov  6 14:16:19 2020
  MachineType: QEMU Standard PC (Q35 + ICH9, 2009)
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   LANG=C.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-52-generic root=UUID=97786d27-c04a-4592-a087-f19a689468a9 ro console=tty1 console=ttyS0
  SourcePackage: systemd
  UpgradeStatus: Upgraded to focal on 2020-08-27 (70 days ago)
  dmi.bios.date: 04/01/2014
  dmi.bios.vendor: SeaBIOS
  dmi.bios.version: rel-1.13.0-48-gd9c812dda519-prebuilt.qemu.org
  dmi.chassis.type: 1
  dmi.chassis.vendor: QEMU
  dmi.chassis.version: pc-q35-5.1
  dmi.modalias: dmi:bvnSeaBIOS:bvrrel-1.13.0-48-gd9c812dda519-prebuilt.qemu.org:bd04/01/2014:svnQEMU:pnStandardPC(Q35+ICH9,2009):pvrpc-q35-5.1:cvnQEMU:ct1:cvrpc-q35-5.1:
  dmi.product.name: Standard PC (Q35 + ICH9, 2009)
  dmi.product.version: pc-q35-5.1
  dmi.sys.vendor: QEMU

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