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[Ubuntu 26.04] network related issues #14230

@inffy

Description

@inffy

Description

We were planning to update using the 26.04 runners as they provide few newer versions of some packages that we currently would need.

But it seems they are currently having some kind of network issues, atleast related to fedora repo mirrors which our actions use.

You can see an example of the issues here: https://github.com/ublue-os/aurora/actions/runs/27349699803/job/81130072006?pr=2367#step:11:479

This happens only on the new 26.04 runners, the 24.04 runners don’t have this issue

Platforms affected

  • Azure DevOps
  • GitHub Actions - Standard Runners
  • GitHub Actions - Larger Runners

Runner images affected

  • Ubuntu 22.04
  • Ubuntu 22.04 Arm64
  • Ubuntu 24.04
  • Ubuntu 24.04 Arm64
  • Ubuntu 26.04
  • Ubuntu 26.04 Arm64
  • Ubuntu Slim
  • macOS 14
  • macOS 14 Arm64
  • macOS 15
  • macOS 15 Arm64
  • macOS 26
  • macOS 26 Arm64
  • Windows Server 2022
  • Windows Server 2025
  • Windows Server 2025 with Visual Studio 2026
  • Windows Desktop 11
  • Windows Desktop 11 with Visual Studio 2026

Image version and build link

https://github.com/ublue-os/aurora/actions/runs/27349699803/job/81130072006?pr=2367#step:11:479

Is it regression?

Expected behavior

it would be able to resolve hostnames and network would work as it should

Actual behavior

lots of these

Updating and loading repositories:
Fedora 44 - x86_64 - Updates Archive ???% | 0.0 B/s | 0.0 B | 00m20s

Curl error (6): Could not resolve hostname for https://fedoraproject-updates-archive.fedoraproject.org/fedora/44/x86_64/repodata/repomd.xml [Could not resolve host: fedoraproject-updates-archive.fedoraproject.org] - https://fedoraproject-updates-archive.fedoraproject.org/fedora/44/x86_64/repodata/repomd.xml

Repro steps

Looks to be pretty easily reproducible when on the 26.04 runners and dealing with fedora based stuff like building their images and using their repos

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