Fix acceptance tests not running on IPv4-only systems

What does this MR do?

Add a method to retrieve supported listeners to use in acceptance tests. The method returns only the ipv4 listeners if the system does not have an ipv6 stack.

Closes #115 (closed)

TODO

• Added the Changelog (e.g. Changelog: feature) trailer to the commits that need to be included in the changelog
• Added unit tests (if required)
• Added acceptance tests (if required)
• Documentation (if required)
• Code review guidelines
• Go Style guidelines