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@joseluisgonzalezca joseluisgonzalezca commented Apr 4, 2025

Description

With Debian 12 release, interfaces were renamed to enX. Current regular expression is not able to match those interfaces unless it's explicitly modified in the configuration parameters. This warning is shown in Calico in that case:

...
Failed to auto-detect host MTU - no interfaces matched the MTU interface pattern
...

With this PR, we are able to provide native support for this kind of interfaces without any changes in configuration parameters.

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Todos

  • Tests
  • Documentation
  • Release note

Release Note

Include enX interfaces in MTU auto-detection by default

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@joseluisgonzalezca joseluisgonzalezca requested a review from a team as a code owner April 4, 2025 07:06
@marvin-tigera marvin-tigera added this to the Calico v3.31.0 milestone Apr 4, 2025
@marvin-tigera marvin-tigera added release-note-required Change has user-facing impact (no matter how small) docs-pr-required Change is not yet documented labels Apr 4, 2025
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CLAassistant commented Apr 4, 2025

CLA assistant check
All committers have signed the CLA.

@caseydavenport
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@joseluisgonzalezca thanks for the PR!

This LGTM, but you'll need to sign the CLA to make the bot happy.

@joseluisgonzalezca
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Sorry about that. Though I have signed it. Now it should be done.

@coutinhop
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/sem-approve

@coutinhop
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@joseluisgonzalezca could you run make generate and commit the changes? our preflight check failed because of it...

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This PR is stale because it has been open for 60 days with no activity.

@github-actions github-actions bot added the stale Issues without recent activity label Nov 15, 2025
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7 participants