* List all allocated VIPs:

    GET /clusters/<cluster_id>/network_configuration/vips/

    [
        {
            ... VIP A ...
        },
        {
            ... VIP B ...
        }
    ]

* Allocate a new VIP:

    POST /clusters/<cluster_id>/network_configuration/vips/

    {
        ... VIP C ...
    }

* Retrieve VIP C:

    GET /clusters/<cluster_id>/network_configuration/vips/<vip_name>

    {
        ... VIP C ...
    }

* Change VIP C:

    PUT /clusters/<cluster_id>/network_configuration/vips/<vip_name>

    {
        ... VIP C ...
    }