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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def request_uplink_info(self, payload):
 """Get the uplink from the database and send the info to the agent."""


        # This request is received from an agent when it run for the first
        # Send the uplink name (physical port name that connectes compute
        #                          node and switch fabric),
        agent = payload.get('agent')
        config_res = self.get_agent_configurations(agent)
        LOG.debug('configurations on %(agent)s is %(cfg)s', (
            {'agent': agent, 'cfg': config_res}))
        try:
            self.neutron_event.send_msg_to_agent(agent,
                                                 constants.UPLINK_NAME,
                                                 config_res)
        except (rpc.MessagingTimeout, rpc.RPCException, rpc.RemoteError):
            LOG.error("RPC error: Failed to send uplink name to agent.")