Some fix about circuit breaker

[Okabe-Rintarou-0]

What type of PR is this?
cleanup

What this PR does / why we need it:
ads L4 mode please check #998
Which issue(s) this PR fixes:
Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 48.57%. Comparing base (e9af645) to head (5c1963a).
Report is 113 commits behind head on main.

see 18 files with indirect coverage changes

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[LiZhenCheng9527]

/lgtm

[nlgwcy]

/lgtm
/approve

[kmesh-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: nlgwcy

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