After the upgrade from OCP 4.1.11 to 4.1.13 the Zookeeper pod failed with the following event:
create Pod iot-cluster-zookeeper-0 in StatefulSet iot-cluster-zookeeper failed error: pods "iot-cluster-zookeeper-0" is forbidden: unable to validate against any security context constraint: [fsGroup: Invalid value: []int64{0}: 0 is not an allowed group]