[02:17] <hallyn> apw: root cause for bug 1531747 was pretty predictable;  not quite sure what we should do to fix it
[02:18] <ubot5> bug 1531747 in linux (Ubuntu Xenial) "overlay: mkdir fails if directory exists in lowerdir in a user namespace" [High,Triaged] https://launchpad.net/bugs/1531747