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[Amy Fong <1634949@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

_check_graphics_addresses_can_live_migrate checks to see if an address is local or catch all by
doing a match against 

            LOCAL_ADDRS = ('0.0.0.0', '127.0.0.1', '::', '::1')

In IPv6, due to zero compression, there are many different valid ways to represent :: and ::1
(since leading zeros don't need to be suppressed)

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1634949

Title:
  nova's checking for local and catch-all address fails to check for all
  valid IPv6 representations

Status in OpenStack Compute (nova):
  New

Bug description:
  _check_graphics_addresses_can_live_migrate checks to see if an address is local or catch all by
  doing a match against 

              LOCAL_ADDRS = ('0.0.0.0', '127.0.0.1', '::', '::1')

  In IPv6, due to zero compression, there are many different valid ways to represent :: and ::1
  (since leading zeros don't need to be suppressed)

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