1. Proposed title of this feature request
Director should run os-net-config to cleanup previous configuration while stack-update

3. What is the nature and description of the request?
Director during stack update should get the new os-net-config/config.json &
also apply with --cleanup so as to remove unwanted ifcfg.

4. Why does the customer need this? (List the business requirements here)
Updating overcloud node network configuration needs this feature so that it can be applied sanely .

5. How would the customer like to achieve this? (List the functional requirements here)
For example:
Environment
Previous:
nic1 - Provisioning
bridge - bond - nic2  |-> couple of vlan networks
                nic3  |
After:
nic1 - Provisioning
bridge - nic2  |-> couple of vlan networks
         nic3  |
After stack update , the bondX should be removed from ifcfg & live configuration.

7. Is there already an existing RFE upstream or in Red Hat Bugzilla?
No