# tail -f /var/log/neutron/neutron-dhcp-agent.log
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2018-12-13 10:21:31.332 18209 ERROR ne
utron.common.rpc [req-38bb14c5-858a-444e-bab3-c31df3068028 - - - - -] Timeout in RPC method dhcp_ready_on_ports. Waiting for 17 seconds before next attempt. If the server is not down, consider increasing the rpc_response_timeout option as Neutron server(s) may be overloaded and unable to respond quickly enough.: MessagingTimeout: Timed out waiting for a reply to message ID 650f11a44b8f41e7bc699f5184f2736b
2018-12-13 10:21:31.335 18209 WARNING neutron.common.rpc [req-38bb14c5-858a-444e-bab3-c31df3068028 - - - - -] Increasing timeout for dhcp_ready_on_ports calls to 120 seconds. Restart the agent to restore it to the default value.: MessagingTimeout: Timed out waiting for a reply to message ID 650f11a44b8f41e7bc699f5184f2736b
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