[fatherlinnux]

Perhaps, you caught news of something I haven't seen, but AFAIK, "container" is still defined in user space. Talking to Eric Biederman, that's what the kennel team wants - people to experiment in user space, remixing kernel tech together...

[cpuguy83]

There's a new-ish (from Feb) LWN article about container's as an object in the kernel: https://lwn.net/Articles/780364/

Reception still doesn't seem great.