'Creates a subnet pool.
For a full list of available parameters, please refer to the official
API reference:
http://developer.openstack.org/api-ref/networking/v2/index.html#create-subnet-pool'

def create_subnetpool(self, **kwargs):

    uri = '/subnetpools'
    post_data = {'subnetpool': kwargs}
    return self.create_resource(uri, post_data)
