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[Nick Rosbrook <2115418@xxxxxxxxxxxxxxxxxx>]

** Tags added: systemd-sru-next

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https://bugs.launchpad.net/bugs/2115418

Title:
  systemd-networkd-wait-online service times out in IPv6-only
  environments

Status in cloud-images:
  New
Status in systemd package in Ubuntu:
  New
Status in systemd source package in Noble:
  New
Status in systemd source package in Oracular:
  Won't Fix
Status in systemd source package in Plucky:
  New
Status in systemd source package in Questing:
  New

Bug description:
  [Impact]
  In an iSCSI boot scenario within an IPv6-only environment, the link remains in the "configuring" state when the DHCPv6-assigned address conflicts with an already configured address.
  Although network connectivity works as expected, this condition causes the systemd-networkd-wait-online service to time out during the boot process.

  [Fix]
  This issue has been resolved upstream.
  https://github.com/systemd/systemd/pull/37916

  [Test Plan]
  1. Set up an IPv6-only environment with iSCSI boot.
  2. Run the networkctl command and verify that no links remain in the "configuring" state.

  [Where problems could occur]
  The commit introduces a new member variable to track this specific condition and updates the link status accordingly.
  If any regressions occur, the link status may become incorrect, potentially causing unexpected behavior in the systemd-networkd-wait-online service.

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