Sanity checks for Kea 1.9.2 rc1

Please verify the packages and files according to
https://wiki.isc.org/bin/view/QA/KeaReleaseProcess, "4. Sanity Checks" chapter
and your imagination.
Before starting any checks. please, state in Sanity Checks issue in GitLab
what check you are doing in a thread/discussion (not as comment).
When you finish given check state in the same thread/discussion what is the result.
This way we know what is covered upfront and we can avoid repeating ourselves.

Release content is located on:
1) [tarballs] repo.isc.org in the following folders:
   /data/shared/sweng/kea/releases/1.9.2-rc1
   /data/shared/sweng/kea/releases/premium-1.9.2-rc1
   /data/shared/sweng/kea/releases/subscription-1.9.2-rc1

SHA256 (kea-1.9.2.tar.gz) = da2585007783ed6cc904cd04a6817b040aedf7c5ecff66e3188db793a7939151
SHA256 (kea-premium-1.9.2.tar.gz) = 16f82cad89257cdf0914e6d2bfa8a502be776583e76d05684a6b581b5a754f3a
SHA256 (kea-subscription-1.9.2.tar.gz) = 14d90827cc08689df2f60526a3ef1cbf6045ab4adb41e3d28d33121598b59e23

2) [rpm/deb packages] on packages.isc.org, exact packages versions are stored here:
    https://jenkins.isc.org/job/kea-dev/job/pkg/127/
    Release version is 1.9.2-isc0009720201123144834 (please verify if it is this version while installing).
    Install instruction is here: https://wiki.isc.org/bin/view/QA/KeaReleaseProcess, chapter 4. Sanity Checks, point 9.