** Description changed:

  If Python 3.5 starts before the kernel has initialised its RNG, it will
  hang[0] until there is sufficient entropy for it to randomise dictionary
  keys.
  
  As cloud-init uses Python 3.5, this means that cloud-init will hang
  until this happens (meaning that the instance won't be properly
  initialised).
  
  I have seen this cause a hang of up to 7 minutes on an OpenStack cloud.
  
+ Upstream python bug is issue 26839 [1].
  
  [0] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=822431
+ [1] https://bugs.python.org/issue26839

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https://bugs.launchpad.net/bugs/1584147

Title:
  cloud-init hangs on boot as Python waits for sufficient randomness to
  start

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