Undercloud installation is blocked by "Failed to download packages" error during 16.1 to 16.2 upgrade

Issue

Undercloud installation is failed because of the following problem:

2022-09-06 14:33:17.798766 | UUID |      FATAL | Update all packages | director | error={"changed": false, "msg": "Failed to download packages: Cannot download Packages/o/octavia-amphora-image-x86_64-16.2-20220609.1.el8ost.noarch.rpm: All mirrors were tried", "results": []}