Re: unregister_netdevice: waiting for br0 to become free. Usage count = 1

> A Google search finds many instances of this message which I am seeing
> at system shutdown time
>
>
>
>             unregister_netdevice: waiting for br0 to become free. Usage
> count = 1
It isn't the bridge device that is causing this but some protocol
that is still holding a reference.  Several times this has occurred
in various versions of 2.6 kernel, and usually IPV6 is to blame. The
problem is that IPV6 has lots of ref counting to do because it keeps
lots of route and other information which reference the device.

What kernel version are you seeing this on?

You might just not enable IPV6 if you don't need it.


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