> Hi,
>
> On Wed, 04 Aug 2010 17:12:29 -0700
>
ebiederm@xmission.com (Eric W. Biederman) wrote:
>
> First, thank you very much for picking that up (and, of course, for
> your work at linux in general).
>
>
>> > # > unshare -n /bin/bash
>> > # > # how to setup veth device pair to get connectivity into
>> > namespace not shown here # > openvpn --config some.config
>> > [ running some traffic over vpn device not shown here ]
>> > ^c # stopping openvpn
>> > # > lsof -i
>> > # > netstat -an
>> > Active Internet connections (servers and established)
>> > Proto Recv-Q Send-Q Local Address Foreign Address
>> > State Active UNIX domain sockets (servers and established)
>> > Proto RefCnt Flags Type State I-Node Path
>> > # > ps ax|grep openvpn|grep -v grep
>> > # > # cannot find anything that suggests there is anything left
>> > from that openvpn session # > exit # logging out from shell in
>> > network namespace
>> >
>> > Now I get
>> >
>> > Jul 10 20:02:36 doris kernel: unregister_netdevice: waiting for lo
>> > to become free. Usage count = 3 [repeated]
>>
>> How many times?
>
> Unfortunately looks like indefinitely. Never watched longer so far
> (rebooted soon), but I'm seeing this message now repeated every 10 secs
> for ~10 minutes on a idle system.