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[Oleg Bondarev <obondarev@xxxxxxxxxxxx>]

Public bug reported:

Rally scenario which creates VMs with floating IPs at a high rate
sometimes fails with SSHTimeout when trying to connect to the VM by
floating IP. At the same time pings to the VM are fine.

It appeared that VMs may sometimes fail to get public key from metadata.
That happens because metadata proxy process was started after VM boot.

Further analysis showed that l3 agent on compute node was not notified
about new VM port at the time this port was created.

** Affects: neutron
     Importance: High
     Assignee: Oleg Bondarev (obondarev)
         Status: In Progress


** Tags: l3-dvr-backlog liberty-backport-potential

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https://bugs.launchpad.net/bugs/1521524

Title:
  With DVR enabled instances sometimes fail to get metadata

Status in neutron:
  In Progress

Bug description:
  Rally scenario which creates VMs with floating IPs at a high rate
  sometimes fails with SSHTimeout when trying to connect to the VM by
  floating IP. At the same time pings to the VM are fine.

  It appeared that VMs may sometimes fail to get public key from
  metadata. That happens because metadata proxy process was started
  after VM boot.

  Further analysis showed that l3 agent on compute node was not notified
  about new VM port at the time this port was created.

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