Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
fix ipvs delay on sync rules
**What this PR does / why we need it**:
Fix most of flaky test cases in `gci-gce-ipvs` CI.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#62839
**Special notes for your reviewer**:
Make sure `proxier.initialized` be successfully set.
**Release note**:
```release-note
NONE
```
b1357da473