chore: avoid use default mux

[jim3ma]

Description

Related Issue

Motivation and Context

Screenshots (if appropriate)

Types of changes

• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)
• [ ] Documentation Update (if none of the other choices apply)

Checklist

• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [ ] I have read the CONTRIBUTING document.
• [ ] I have added tests to cover my changes.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 70.00000% with 3 lines in your changes missing coverage. Please review.

Project coverage is 52.72%. Comparing base (f7ebaaf) to head (ef077e3). Report is 2 commits behind head on main.

Additional details and impacted files

[](https://app.codecov.io/gh/dragonflyoss/Dragonfly2/pull/3346?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=dragonflyoss) ```diff @@ Coverage Diff @@ ## main #3346 +/- ## ========================================== + Coverage 52.57% 52.72% +0.15% ========================================== Files 192 192 Lines 20462 20428 -34 ========================================== + Hits 10757 10770 +13 + Misses 8900 8855 -45 + Partials 805 803 -2 ``` | [Flag](https://app.codecov.io/gh/dragonflyoss/Dragonfly2/pull/3346/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=dragonflyoss) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/dragonflyoss/Dragonfly2/pull/3346/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=dragonflyoss) | `52.72% <70.00%> (+0.15%)` | :arrow_up: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=dragonflyoss#carryforward-flags-in-the-pull-request-comment) to find out more. | [Files](https://app.codecov.io/gh/dragonflyoss/Dragonfly2/pull/3346?dropdown=coverage&src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=dragonflyoss) | Coverage Δ | | |---|---|---| | [client/daemon/proxy/proxy\_manager.go](https://app.codecov.io/gh/dragonflyoss/Dragonfly2/pull/3346?src=pr&el=tree&filepath=client%2Fdaemon%2Fproxy%2Fproxy_manager.go&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=dragonflyoss#diff-Y2xpZW50L2RhZW1vbi9wcm94eS9wcm94eV9tYW5hZ2VyLmdv) | `0.00% <ø> (ø)` | | | [client/daemon/proxy/proxy.go](https://app.codecov.io/gh/dragonflyoss/Dragonfly2/pull/3346?src=pr&el=tree&filepath=client%2Fdaemon%2Fproxy%2Fproxy.go&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=dragonflyoss#diff-Y2xpZW50L2RhZW1vbi9wcm94eS9wcm94eS5nbw==) | `15.28% <70.00%> (+1.88%)` | :arrow_up: | ... and [4 files with indirect coverage changes](https://app.codecov.io/gh/dragonflyoss/Dragonfly2/pull/3346/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=dragonflyoss)