$ oc describe po tekton-hub-db-f8dcf8579-z72x4 -n openshift-pipelines | awk '/^Events:/,/^$/'
Events:
  Type     Reason          Age                    From               Message
  ----     ------          ----                   ----               -------
  Normal   Scheduled       28m                    default-scheduler  Successfully assigned openshift-pipelines/tekton-hub-db-f8dcf8579-z72x4 to test1-mhc78-worker-0-5cwlt
  Normal   AddedInterface  28m                    multus             Add eth0 [10.128.2.48/23] from ovn-kubernetes
  Normal   Pulling         28m                    kubelet            Pulling image "registry.redhat.io/rhel9/postgresql-16@sha256:1dbb6d28b453f8f1b5bc52f4b3281c3d5c40500ad0a2f12a5b154e1774166b55"
  Normal   Pulled          28m                    kubelet            Successfully pulled image "registry.redhat.io/rhel9/postgresql-16@sha256:1dbb6d28b453f8f1b5bc52f4b3281c3d5c40500ad0a2f12a5b154e1774166b55" in 8.536s (8.536s including waiting)
  Normal   Started         27m (x4 over 28m)      kubelet            Started container tekton-hub-db
  Normal   Created         26m (x5 over 28m)      kubelet            Created container tekton-hub-db
  Normal   Pulled          26m (x4 over 28m)      kubelet            Container image "registry.redhat.io/rhel9/postgresql-16@sha256:1dbb6d28b453f8f1b5bc52f4b3281c3d5c40500ad0a2f12a5b154e1774166b55" already present on machine
  Warning  BackOff         3m16s (x125 over 28m)  kubelet            Back-off restarting failed container tekton-hub-db in pod tekton-hub-db-f8dcf8579-z72x4_openshift-pipelines(7d6f8be8-0b56-42c6-ab96-f2b965426635)
etting Incompatible data directory error in logs

$ oc logs -f tekton-hub-db-f8dcf8579-z72x4 -n openshift-pipelines
Incompatible data directory.  This container image provides
PostgreSQL '16', but data directory is of
version '13'.

This image supports automatic data directory upgrade from
'15', please _carefully_ consult image documentation
about how to use the '$POSTGRESQL_UPGRADE' startup option.