RPM error Database environment version mismatch

[Harald Jensås]

https://logserver.rdoproject.org/92/778792/16/openstack-check/tripleo-ci-centos-8-ovb-3ctlr_1comp-featureset001/d506d6b/logs/undercloud/home/zuul/install-built-repo.sh.1616407932.log.txt.gz

2021-03-22 10:12:18 | Running transaction
2021-03-22 10:12:18 | Failed to set locale, defaulting to C
2021-03-22 10:12:18 | RPM: error: db5 error(-30969) from dbenv->open: BDB0091 DB_VERSION_MISMATCH: Database environment version mismatch
2021-03-22 10:12:18 | RPM: error: cannot open Packages index using db5 - (-30969)
2021-03-22 10:12:18 | RPM: error: cannot open Packages database in /var/lib/rpm
2021-03-22 10:12:18 | The downloaded packages were saved in cache until the next successful transaction.
2021-03-22 10:12:18 | You can remove cached packages by executing 'dnf clean packages'.
2021-03-22 10:12:18 | Error: Could not run transaction.