This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:

apport-collect 1615890

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1615890

Title:
  stacking to unconfined in a child namespace confuses mediation

Status in AppArmor:
  New
Status in linux package in Ubuntu:
  Incomplete
Status in linux source package in Xenial:
  Fix Committed
Status in linux source package in Yakkety:
  Incomplete

Bug description:
  when viewing a stack involving unconfined from across a ns boundary           
  
  the mode is reported as mixed.                                                
  
                                                                                
  
  Eg.                                                                           
  
  lxc-container-default//&:lxdns1://unconfined (mixed)                          
  
                                                                                
  
  This is because the unconfined profile is in the special unconfined           
  
  mode. Which will result in a (mixed) mode for any stack with profiles         
  
  in enforcing or complain mode.                                                
  
                                                                                
  
  This can however lead to confusion as to what mode is being used as           
  
  mixed is also used for enforcing stacked with complain, and This can
  also currently messes up mediation of trusted helpers like dbus.

  Since unconfined doesn't affect the stack just special case it.

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