Public bug reported:
Create a trusty or xenial host. Probably use ubuntu-lxc/daily ppa to
work around other bugs.
Create a privileged container (again either trusty or xenial will do),
and install ubuntu-lxc/daily ppa there.
Create an unprivileged container in that container. It will fail at
mounting proc using safe_mount. At this point it is mounting proc onto
/proc/self/fd/14 flags 14.
lxc-start 20160208234209.189 ERROR lxc_utils -
utils.c:safe_mount:1695 - Operation not permitted - Failed to mount proc
onto /usr/lib/x86_64-linux-gnu/lxc/proc
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Affects: lxc (Ubuntu)
Importance: High
Status: Triaged
** Package changed: lxcfs (Ubuntu) => lxc (Ubuntu)
** Changed in: lxc (Ubuntu)
Importance: Undecided => High
** Changed in: lxc (Ubuntu)
Status: New => Triaged
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1543367
Title:
nested unprileged container fails to start at mounting /proc
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