"oc adm migrate storage" fails with "Forbidden: existing toleration can not be modified"

Issue

• During an OpenShift Container Platform update, the playbook fails during the "Upgrade all storage" task on the OpenShift Container Platform Master Node.

• Running the command oc adm migrate storage --include=* fails with the following errors:

  E0622 12:27:49.821943 error:     -n openshift-logging pods/logging-fluentd-2jjlg: Pod "logging-fluentd-2jjlg" is invalid: spec.tolerations: Forbidden: existing toleration can not be modified except its tolerationSeconds
  E0622 12:27:49.823800 error:     -n openshift-logging pods/logging-fluentd-jrrkc: Pod "logging-fluentd-jrrkc" is invalid: spec.tolerations: Forbidden: existing toleration can not be modified except its tolerationSeconds
  E0622 12:27:49.824693 error:     -n openshift-logging pods/logging-fluentd-6l9gs: Pod "logging-fluentd-6l9gs" is invalid: spec.tolerations: Forbidden: existing toleration can not be modified except its tolerationSeconds
  [..]
  E0622 12:27:49.854235 error:     -n openshift-monitoring pods/node-exporter-2264z: Pod "node-exporter-2264z" is invalid: spec.tolerations: Forbidden: existing toleration can not be modified except its tolerationSeconds
  E0622 12:27:49.857005 error:     -n openshift-monitoring pods/node-exporter-4m9nx: Pod "node-exporter-4m9nx" is invalid: spec.tolerations: Forbidden: existing toleration can not be modified except its tolerationSeconds