[Bug 1307829] Re: network namespace error

[Serge Hallyn]

So the particular files /var/run/netns/whatzit are bind-mounted
/proc/self/ns/net files from a task which no longer exists, which are
pinning the netns.

Interestingly, if I reproduce this by hand by doing

term 1: lxc-unshare -s NETWORK -- /bin/bash
term 2: mkdir /var/run/netns/z;  mount --bind /proc/$pid/net/ns /var/run/netns/z
lxc-start -n t1 -d;  sleep 3; lxc-stop -n t1 -k

then /var/run/netns/z permissions are not changed.

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https://bugs.launchpad.net/bugs/1307829

Title:
  network namespace error

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