Tor tells me "Scheduler type KIST has been enabled" multiple times

Despite #23552 (moved).

How to reproduce:

  1. Download 7.5a5, and run it with debugging enabled obviously
  2. Use custom obfs4 bridges.
  3. Visit some website.
  4. Change bridge in Torbutton to snowflake.
  5. You should see stuff below
[notice] Scheduler type KIST has been enabled.
[notice] Scheduler type KIST has been enabled.
[notice] Scheduler type KIST has been enabled.
[notice] Scheduler type KIST has been enabled.
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