Important notices

Before you add a new report, we ask you kindly to acknowledge the following:

• I have read the contributing guide lines at https://github.com/opnsense/core/blob/master/CONTRIBUTING.md
• I am convinced that my issue is new after having checked both open and closed issues at https://github.com/opnsense/core/issues?q=is%3Aissue

Is your feature request related to a problem? Please describe.

ISC DHCPv6 has prefixes.php to deal with this. We need a similar mechanism for Kea.

Describe the solution you like

Minimal scripting using available Kea hooks.

Describe alternatives you considered

Kea supporting this in a canonical way already.. ;)

Additional context

N/A