fix vmbridge smb

[LeoGuo621]

fix bug

• Targeted PR against correct branch (see CONTRIBUTING.md)

• [ ] Linked to github-issue with discussion and accepted design OR link to spec that describes this work.

• [ ] Wrote tests

• [ ] Updated relevant documentation (docs/)

• [ ] Added a relevant changelog entry to the Unreleased section in CHANGELOG.md

• [ ] Reviewed Files changed in the github PR explorer

---

For Admin Use:

• Added appropriate labels to PR (ex. wip, ready-for-review, docs)
• Reviewers Assigned
• Squashed all commits, uses message "Merge PR #XYZ: [title]" (coding standards)

[codecov-commenter]

Codecov Report

Merging #3150 (29f0794) into dev (7634c0d) will not change coverage. The diff coverage is n/a.

:exclamation: Current head 29f0794 differs from pull request most recent head 7917f83. Consider uploading reports for the commit 7917f83 to get more accurate results

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@@           Coverage Diff           @@
##              dev    #3150   +/-   ##
=======================================
  Coverage   36.61%   36.61%           
=======================================
  Files         442      442           
  Lines       46369    46369           
=======================================
  Hits        16976    16976           
  Misses      28141    28141           
  Partials     1252     1252