'Remove router interface.
For a full list of available parameters, please refer to the official
API reference:
http://developer.openstack.org/api-ref/networking/v2/index.html#remove-interface-from-router'

def remove_router_interface(self, router_id, **kwargs):

    uri = ('/routers/%s/remove_router_interface' % router_id)
    return self.update_resource(uri, kwargs)
