[Bug 2052137] Re: bonded link goes down on reconfigure

[Alexander]

Hello,

Another bump from me, as it affects our infrastructure quite heavily, as
we are currently in process of transitioning to Jammy realease. And with
more than thousand nodes being redeployed alreday, even small task like
add new route causes unwanted complications.

I don't know if i did everything correct, but PSA patch for canonical
systemd  repo for jammy branch, which has been applied in mainstream of
systemd, and has been linked abovr already. I hope it helps to fasten
the  process.

** Patch added: "jammy_netplan_systemd.patch"
   https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/2052137/+attachment/5784193/+files/jammy_netplan_systemd.patch

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https://bugs.launchpad.net/bugs/2052137

Title:
  bonded link goes down on reconfigure

Status in systemd:
  Fix Released
Status in netplan.io package in Ubuntu:
  Invalid
Status in systemd package in Ubuntu:
  Triaged

Bug description:
  systemd-networkd brings down member interfaces of a bond when they get
  reconfigured

  Jan 31 15:43:46 unique-slug systemd-networkd[2430]: pn1: Bringing link
  down

  This has a result that a server has complete downtime for a few
  seconds, this has also been reported upstream
  https://github.com/systemd/systemd/issues/31165.

  A pull request has been opened to fix this
  https://github.com/systemd/systemd/pull/31172

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