---
fixes:
  - |
    Fixes the logic within the health manager to prevent duplicate health checks
    from running on the same cluster.
other:
  - |
    Adds a configuration option to the health manager to control the maximum
    amount of threads that can be created by the health manager.

Add release note for hm fixes
Add release note for hm fixes

This patch adds the missing releease notes for
https://review.openstack.org/#/c/634811.

Change-Id: I767434f5d617d1eb0bdba625a052b16913d1849b
