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[Kevin Benton <1668958@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

Occasionally we are getting failures like this in the Linux Bridge job
in Neutron:

2017-02-28 11:50:22,162 12602 WARNING  [tempest.lib.common.ssh] Failed
to establish authenticated ssh connection to cirros@172.24.5.17 (Error
reading SSH protocol banner). Number attempts: 16. Retry after 17
seconds.


I traced it down to the VM not getting keys back from the metadata service even though it has a keypair configured. The request makes it over to Nova metadata with the relevant instance ID but no keys are being returned.

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1668958

Title:
  metadata service occasionally not returning keys

Status in OpenStack Compute (nova):
  New

Bug description:
  Occasionally we are getting failures like this in the Linux Bridge job
  in Neutron:

  2017-02-28 11:50:22,162 12602 WARNING  [tempest.lib.common.ssh] Failed
  to establish authenticated ssh connection to cirros@172.24.5.17 (Error
  reading SSH protocol banner). Number attempts: 16. Retry after 17
  seconds.

  
  I traced it down to the VM not getting keys back from the metadata service even though it has a keypair configured. The request makes it over to Nova metadata with the relevant instance ID but no keys are being returned.

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