Sanity checks for Kea 2.0.3 rc2

We are now at step SANITY CHECKS of Kea 2.0.3 rc2.

Please verify the packages and files according to "4. Sanity Checks" chapter on:
    https://wiki.isc.org/bin/view/QA/KeaReleaseProcess#4.%20Sanity%20Checks
and your imagination.
Before starting any checks, please state what check you are doing in a
thread/discussion (not as comment) in Sanity Checks issue in GitLab:
    None
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/2.0.3-rc2
   /data/shared/sweng/kea/releases/premium-2.0.3-rc2
   /data/shared/sweng/kea/releases/subscription-2.0.3-rc2

SHA256 (kea-2.0.3.tar.gz) = d642907374d17480ebe4df805b363dc9e230a955475a9f3e04a076b52d5c43ec
SHA256 (kea-premium-2.0.3.tar.gz) = 8a91a64ebc121ae338512e2b94c7314c6d68a49c61bbc45b75880cc1ce8dd3f7
SHA256 (kea-subscription-2.0.3.tar.gz) = 26259c9fa9ae9c8914adbc616a52786b5dafa49971ec515dde9fb0d64223586b

2) APK, deb, RPM packages on packages.aws.isc.org, exact packages versions are stored here:
    https://jenkins.aws.isc.org/job/kea-2.0/job/pkg/54/
    Release versions are:
    APK: 2.0.3-r20220725151155: https://packages.aws.isc.org/#browse/search/raw=format%3Draw%20AND%20name.raw%3D*r20220725151155.apk
    deb: 2.0.3-isc20220725151155: https://packages.aws.isc.org/#browse/search/apt=format%3Dapt%20AND%20version%3D2.0.3-isc20220725151155
    RPM: 2.0.3-isc20220725151155.[os]: https://packages.aws.isc.org/#browse/search/yum=format%3Dyum%20AND%20version%3D2.0.3-isc20220725151155*
    Installation instructions are here: https://wiki.isc.org/bin/view/QA/KeaReleaseProcess#4.%20Sanity%20Checks, chapter 4. Sanity Checks, point 9.