This is needed for users on kernel older than 3.18 so they can avoid EBUSY
errors when trying to unlink, rename or remove a mountpoint that is present in
a shim namespace.
Signed-off-by: Kenfe-Mickael Laventure <mickael.laventure@gmail.com>
This adds an explaination to some of the config file settings and what
the accomplish in containerd.
Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
