Github webhook latency issue (long delay)

Hello. Need some help. We are seeing job start delays after a hook trigger. Delay can be either 2 minutes or 2 hours…

[Tue Aug 23 12:10:00 MSK 2022] Received Push event to branch branch1 in repository test-webhook UPDATED event from 10.80.44.6 → 10.9.4.58 → 10.80.44.6 ⇒ https://jenkins:8080/github-webhook/ with timestamp Tue Aug 23 11:52:08 MSK 2022
12:10:01 Connecting to https://api.github.com using GitHub service account for Dev team
Examining test-webhook

  Checking branches...

  Getting remote branch branch1...

    Checking branch branch1

  Getting remote pull requests from branch branch1...
      ‘Jenkinsfile’ found
    Met criteria
Changes detected: branch1 (c79a23ad3b43e1bf678e72d262e81827 → 0b9b51cd919ff80262ea75e98194bdbd2)
Scheduled build for branch: branch1

  1 branches were processed (query completed)

  1 branches were processed

Finished examining test-webhook

[Tue Aug 23 12:10:03 MSK 2022] Push event to branch branch1 in repository test-webhook UPDATED event from 10.80.44.6 → 10.9.4.58 → 10.80.44.6 ⇒ https://jenkins:8080/github-webhook/ with timestamp Tue Aug 23 11:52:08 MSK 2022 processed in 2.3 sec