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beta4: containers don't obtain ip address #1666
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The 4.4.0-7-generic kernel is unfortunately broken. Please reboot on 4.4.0-6-generic or wait for 4.4.0-8-generic.
The -7 kernel fails to mount cgroupfs in the container with EBUSY which causes systemd or anything else which attempts to mount cgroups to fail.
The fixed kernel is currently going through testing and should be released soon.
I still see
After that happens, nothing can kill the containers. If you try to kill their
I strongly recommend LXC users avoid Ubuntu 16.04 until this is fixed.
Update: problems seem to go away when downgrading to linux-image 4.2.0-35-generic. Will try to make this reproducible later.