link deleted from cache when removed from a bridge

[Thomas Graf]

On Mon, Oct 10, 2011 at 06:07:38AM -0400, Thomas Graf wrote:
> On Tue, Jun 21, 2011 at 01:07:47PM -0700, Andrew Kraslavsky wrote:
> > Here's the output. In this case, physical Ethernet interface eth5 was removed
> > from bridge br6.
> > 
> > The ifindex of eth5 is 7 and the ifindex of br6 is 11 (0x0b) and I see that
> > the "master" field of the eth5 link is set to that value.
> > 
> > -- Debug: Received Message:
> > --------------------------   BEGIN NETLINK MESSAGE ---------------------------
> >   [HEADER] 16 octets
> >     .nlmsg_len = 80
> >     .nlmsg_type = 17 <route/link::del>
> >     .nlmsg_flags = 0 <>
> >     .nlmsg_seq = 0
> >     .nlmsg_pid = 0
> >   [PAYLOAD] 16 octets
> >     07 00 01 00 07 00 00 00 03 10 00 00 00 00 00 00       ................
> >   [ATTR 03] 5 octets
> >     65 74 68 35 00                                        eth5.
> >   [PADDING] 3 octets
> >     00 00 00                                              ...
> >   [ATTR 10] 4 octets
> >     0b 00 00 00                                           ....
> >   [ATTR 04] 4 octets
> >     dc 05 00 00                                           ....
> >   [ATTR 16] 1 octets
> >     02                                                    .
> >   [PADDING] 3 octets
> >     00 00 00                                              ...
> >   [ATTR 01] 6 octets
> >     00 90 7f 82 66 90                                     ....f.
> >   [PADDING] 2 octets
> >     00 00                                                 ..
> > ---------------------------  END NETLINK MESSAGE   ---------------------------
> 
> You are right, this is only supposed to indicate the release of a slave
> and is mistakenly intepreted as deletion of a link. I'll fix this.

I pushed a fix to the git tree. Feel free to test it if you have the time.