Client-side throttling is logged. Any configuration options to adjust?

[pp-akursar]

We're seeing lots of client-side throttling logs, for example:

I0607 16:06:28.256034       1 request.go:697] Waited for 6.188561909s due to client-side throttling, not priority and fairness, request: POST:https://172.21.0.1:443/api/v1/persistentvolumes

Is there any configuration option for adjusting the qps/burst rate of the client? We've tried increasing --worker-threads but that doesn't seem to have helped much. It's not clear if the rate limit is per worker or is aggregated across workers.