Instance Network Failed Suddenly

asked 2016-07-25 01:36:42 -0500

Version - Juno

Revently In our Openstack Setup Mostly on CentOS and Windows Instances (On Ubuntu this not happening yet ) suddenly network connectivity failed and could resolve only by detaching and reattaching new neutron port to the instance.

Some time even reattach its not working and have to create a new instance using snapshot.

Any Idea why this is happening ? Where we could find more (debug) info?

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