'Notify the agent that is hosting the router.'

def _notification_host(self, context, method, host, **kwargs):

    LOG.debug('Notify    agent    at    %(host)s    the    message    %(method)s', {'host': host, 'method': method})
    cctxt = self.client.prepare(server=host)
    cctxt.cast(context, method, **kwargs)
