link deleted from cache when removed from a bridge

[Thomas Graf]

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.