Unable to provision services using Openshift Template Service Broker in OCP 3

Issue

• OpenShift Template Service Broker appeared to become unresponsive after around ~2 months of uptime. Users experiencing the errors similar to the following when trying to provision/deprovision services from the catalog:

Error deprovisioning, ClusterServiceClass (K8S:
        "73182d1c-919f-11e8-8b14-005056b1842f" ExternalName: "redis-persistent")
        at ClusterServiceBroker "template-service-broker": Delete
        https://apiserver.openshift-template-service-broker.svc:443/brokers/template.openshift.io/v2/service_instances/fe7fca5f-6e28-464b-8860-c83b26b981e9?accepts_incomplete=true&plan_id=73182d1c-919f-11e8-8b14-005056b1842f&service_id=73182d1c-919f-11e8-8b14-005056b1842f:
        dial tcp <IP ADDR>:443: connect: cannot assign requested address

• When trying to deploy JBoss EAP 7.0 (no https) service, getting the following error:

The provision call failed and will be retried: Error communicating with broker for provisioning: Put https://apiserver.openshift-template-service-broker.svc:443/brokers/template.openshift.io/v2/service_instances/1ac5265d-7332-4291-ae0d-c82f30a3d4eb?accepts_incomplete=true: dial tcp: lookup apiserver.openshift-template-service-broker.svc: device or resource busy.