** Also affects: linux (Ubuntu Artful)
Importance: Medium
Assignee: Dan Streetman (ddstreet)
Status: Confirmed
** Also affects: linux (Ubuntu Bb-series)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Trusty)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Xenial)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Zesty)
Importance: Undecided
Status: New
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Matching subscriptions: Ubuntu 16.04 Bugs
https://bugs.launchpad.net/bugs/1711407
Title:
unregister_netdevice: waiting for lo to become free
Status in linux package in Ubuntu:
Confirmed
Status in linux source package in Trusty:
New
Status in linux source package in Xenial:
New
Status in linux source package in Zesty:
New
Status in linux source package in Artful:
Confirmed
Status in linux source package in bb-series:
New
Bug description:
This is a "continuation" of bug 1403152, as that bug has been marked
"fix released" and recent reports of failure may (or may not) be a new
bug. Any further reports of the problem should please be reported
here instead of that bug.
--
[Impact]
When shutting down and starting containers the container network
namespace may experience a dst reference counting leak which results
in this message repeated in the logs:
unregister_netdevice: waiting for lo to become free. Usage count =
1
This can cause issues when trying to create net network namespace and
thus block a user from creating new containers.
[Test Case]
See comment 16, reproducer provided at https://github.com/fho/docker-
samba-loop
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1711407/+subscriptions
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