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We do have an Openstack setup (Ocata Version) with 6 hypervisors connected to external Storage using cinder service cpu_allocation_ratio is 1:16 .In certain VM's at times we are facing issue with ssh to its floating IP. If we do a live migrate of that VM to another hypervisor we are able to ssh without any issue What can be the cause ?How can we trouble shoot this further?

We do have an Openstack setup (Ocata Version) with 6 hypervisors connected to external Storage using cinder service service cpu_allocation_ratio is 1:16 .In certain VM's at times we are facing issue with ssh to its floating IP. If we do a live migrate of that VM to another hypervisor we are able to ssh without any issue What can be the cause ?How can we trouble shoot this further?