# Re: Network namespace and bonding WARNING at fs/proc/generic.c remove\_proc\_entry

- From: Serge E. Hallyn \<hidden\>
- Date: 2012-07-06 19:46:41 
- List: netdev
- Page: https://ratatoskr.run/netdev/2012/07/3889960
- Thread: https://ratatoskr.run/netdev/2012/07/3889953/t.md

```text
Quoting Eric W. Biederman (ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org):
> "Serge E. Hallyn" [ref] writes:
> 
> >> diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
> >> index 2ee8cf9..818ed64 100644
> >> --- a/drivers/net/bonding/bond_main.c
> >> +++ b/drivers/net/bonding/bond_main.c
> >> @@ -4345,6 +4345,9 @@ static void bond_setup(struct net_device *bond_dev)
> >>         bond_dev->priv_flags |= IFF_BONDING;
> >>         bond_dev->priv_flags &= ~(IFF_XMIT_DST_RELEASE | IFF_TX_SKB_SHARING);
> >>  
> >> +       /* Don't allow bond devices to change network namespaces. */
> >> +       bond_dev->features |= NETIF_F_LOCAL;
> >
> > I believe this needs to be NETIF_F_NETNS_LOCAL.  Test build still going with
> > that change.
> 
> Yes that is what I mean.

With that change, build is fine, boots fine, I can't pass a bond to another
netns (preventing the problem), and I can create a bond in a child netns
just fine.

Thanks!

Acked-by: Serge Hallyn <redacted>

-serge
```