reference page https://access.redhat.com/documentation/en-us/red_hat_amq_broker/7.11/html/deploying_amq_broker_on_openshift/assembly_br-upgrading-operator-based-broker-deployments_broker-ocp#assembly-br-upgrading-operator-operatorhub_broker-ocp

there are several one line command to find and relabel the ss which are wrong

original:
$ for pod in $(oc get pods | grep -o '^ex-aao[^ ]*') do; oc label --overwrite pods $pod ActiveMQArtemis=ex-aao application=ex-aao-app; done
correct:
$ for pod in $(oc get pods | grep -o '^ex-aao[^ ]*'); do oc label --overwrite pods $pod ActiveMQArtemis=ex-aao application=ex-aao-app; done