Implement Display for VxlanDf

[cathay4t]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 7 lines in your changes missing coverage. Please review.
✅ Project coverage is 67.89%. Comparing base (1fb4bd7) to head (bd5c427).
⚠️ Report is 45 commits behind head on main.

Files with missing lines	Patch %	Lines
src/link/link_info/vxlan.rs	0.00%	7 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #259      +/-   ##
==========================================
- Coverage   68.10%   67.89%   -0.22%     
==========================================
  Files         144      146       +2     
  Lines       10103    10281     +178     
==========================================
+ Hits         6881     6980      +99     
- Misses       3222     3301      +79     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[gemini-code-assist]

Code Review

This pull request implements the fmt::Display trait for the VxlanDf enum in src/link/link_info/vxlan.rs, providing string representations for its variants including Unset, Set, Inherit, and Other. Since there are no review comments provided, I have no feedback to offer regarding the review process.