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

[Marlin Cremers]

Would it be possible to backport this to 22.04 as well? We are currently
using very hacky workarounds with Netplan.io and networkctl to prevent
this bug from being triggered and causing downtime.

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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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