Automatic merge from submit-queue (batch tested with PRs 43018, 42713)
Log instead of fail on GLBCs tendency to leak resources
**What this PR does / why we need it**:
Stops upgrade tests from flaking because the GLBC does not cleanup all resources due to a race condition.
**Which issue this PR fixes**: fixes#38569
**Special notes for your reviewer**:
To be reviewed by @mml
```release-note
NONE
```
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