Public bug reported:

Since zfsutils-linux/0.6.5.9-4, zfs module is not automatically loaded
on systems that no zpool exists, this avoids tainting everyone's kernel
who has the package installed but is not using zfs.

ADT test of lxd (at least at 2.11-0ubuntu4[1]) shows the storage tests
are failing because "Could not determine ZFS module version." which is
printed by zfsModuleVersionGet() in lxd/storage_zfs.go. This indicates
there are pieces of code assuming zfs kernel module is always loaded
which turns out to be not true anymore.

[1]
https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac
/autopkgtest-zesty/zesty/amd64/l/lxd/20170314_120059_2ce5b@/log.gz

** Affects: lxd (Ubuntu)
     Importance: Undecided
         Status: New

** Description changed:

  Since zfsutils-linux/0.6.5.9-4, zfs module is not automatically loaded
  on systems that no zpool exists, this avoids tainting everyone's kernel
  who has the package installed but is not using zfs.
  
  ADT test of lxd (at least at 2.11-0ubuntu4[1]) shows the storage tests
  are failing because "Could not determine ZFS module version." which is
  printed by zfsModuleVersionGet() in lxd/storage_zfs.go. This indicates
  there are pieces of code assuming zfs kernel module is always loaded
  which turns out to be not true anymore.
+ 
+ [1]
+ 
https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac
+ /autopkgtest-zesty/zesty/amd64/l/lxd/20170314_120059_2ce5b@/log.gz

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https://bugs.launchpad.net/bugs/1672749

Title:
  Please don't assume zfs module is always loaded

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