O版環境

錯誤日誌：計算節點

vim /var/log/nova/compute.log

....ERROR .... ConnectFailure : unable to establish connection to http://.... : HTTPConnectionPool(....) (caused by NewConnectionError .... Failed to establish a new connection :[Errno 111] ECONNREFUSED',,)

  錯誤日誌：控制節點

vim /var/log/neutron/server.log

ERROR ... Failed to bind port ... on host compute for vnic_type normal using segment [....]