This update for lxc fixes the following issues:

Update to LXC 4.0.0.
The full upstream changelog is available from:
  https://discuss.linuxcontainers.org/t/lxc-4-0-lts-has-been-released/7182

Related to the LXD 4.0.0 update (boo#1168338).

+ cgroups: Full cgroup2 support
+ cgroups: Freezer support in CGroup2
+ cgroups: eBPF device controller support in CGroup2
+ AppArmor: Deny access to /proc/acpi/**
+ config: Add lxc.autodev.tmpfs.size configuration key
+ config: Add lxc.selinux.context.keyring key
+ config: Add lxc.keyring.session
+ seccomp: Add s390 support
* network: Improved network device creation and removal
+ network: Allow moving wireless devices

This update was imported from the openSUSE:Leap:15.1:Update update project.