[Bug 1317179] Update Released

[Adam Conrad]

The verification of the Stable Release Update for systemd has completed
successfully and the package has now been released to -updates.
Subsequently, the Ubuntu Stable Release Updates Team is being
unsubscribed and will not receive messages about this bug report.  In
the event that you encounter a regression using the package from
-updates please report a new bug using ubuntu-bug and tag the bug report
regression-update so we can easily find any regresssions.

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https://bugs.launchpad.net/bugs/1317179

Title:
  lxc containers fail to start in trusty with newer kernels

Status in “systemd” package in Ubuntu:
  Fix Released
Status in “systemd” source package in Trusty:
  Fix Released

Bug description:
  When running a trusty userspace with a newer kernel (e.g. 3.15-rc4),
  attempting to start a container fails:

  $ lxc-start -n p2
  lxc_container: call to cgmanager_create_sync failed: invalid request
  lxc_container: Failed to create net_cls:p2
  lxc_container: Error creating cgroup net_cls:p2
  lxc_container: failed creating cgroups
  lxc_container: failed to spawn 'p2'

  Iiuc, this seems to be caused new cgroups in the kernel which aren't
  enabled for systemd but that lxc tries to configure anyway.

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