It works on linux 4.11-rc3.
After kernel bisect, this commit fixes the issue:
commit 91864f5852f9996210fad400cf70fb85af091243
Author: Andrey Vagin <ava...@openvz.org>
Date: Sun Mar 12 21:36:18 2017 -0700
net: use net->count to check whether a netns is alive or not
The previous idea was to check whether a net namespace is in
net_exit_list or not. It doesn't work, because net->exit_list is used in
__register_pernet_operations and __unregister_pernet_operations where
all namespaces are added to a temporary list to make cleanup in a error
case, so list_empty(&net->exit_list) always returns false.
Reported-by: Mantas Mikulėnas <graw...@gmail.com>
Fixes: 002d8a1a6c11 ("net: skip genenerating uevents for network namespaces
that are exiting")
Signed-off-by: Andrei Vagin <ava...@openvz.org>
Signed-off-by: David S. Miller <da...@davemloft.net>
And it's also included in 4.10.5 stable tree, so it'll land to 17.04's linux
kernel soon.
You can try 4.10.5 mainline kernel at here:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.10.5/
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** No longer affects: systemd (Ubuntu)
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https://bugs.launchpad.net/bugs/1672144
Title:
ifup service of network device stay active after driver stop
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