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[Solly Ross <sross@xxxxxxxxxx>]

Public bug reported:

Currently, live migration with the libvirt driver ("true" or otherwise)
is only supported when the graphics listen addresses (vncserver_listen
and spice.server_listen) are set to 0.0.0.0.  If the addresses are set
to the actual IP address of each compute host on the relevant machine,
the migration fails, with libvirt giving the error "Cannot assign
requested address".

This is because, post migration, libvirt is trying to rebind the listen
address of the source machine, but since the VM is now on the
destination machine, this is not possible.

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1279563

Title:
  Libvirt live migration fails when graphics listen is not 0.0.0.0
  ("Cannot assign requested address")

Status in OpenStack Compute (Nova):
  New

Bug description:
  Currently, live migration with the libvirt driver ("true" or
  otherwise) is only supported when the graphics listen addresses
  (vncserver_listen and spice.server_listen) are set to 0.0.0.0.  If the
  addresses are set to the actual IP address of each compute host on the
  relevant machine, the migration fails, with libvirt giving the error
  "Cannot assign requested address".

  This is because, post migration, libvirt is trying to rebind the
  listen address of the source machine, but since the VM is now on the
  destination machine, this is not possible.

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