"Connection broken" message appearing in odd places in buffers

[Lars Magne Ingebrigtsen]

When a network connection is shut down, Emacs helpfully inserts a string
like "Process smtpmail connection broken by remote peer" in the process
buffer.  (It's probably a feature, but I could live without it.)

However, the odd thing is that it seems to be output in ... odd places.
Here's the smtpmail trace buffer:

---------
220 hermes.netfonds.no ESMTP Exim 4.72 Thu, 15 Sep 2011 00:01:53 +0200
250-hermes.netfonds.no Hello cm-84.215.51.58.getinternet.no [84.215.51.58]
250-SIZE 52428800
250-PIPELINING
250-STARTTLS
250 HELP
220 TLS go ahead
250-hermes.netfonds.no Hello cm-84.215.51.58.getinternet.no [84.215.51.58]
250-SIZE 52428800
250-PIPELINING
250-AUTH PLAIN
250 HELP

Process smtpmail connection broken by remote peer
AUTH PLAIN <omitted>
235 Authentication succeeded
MAIL FROM:<address@hidden> SIZE=1530
250 OK

[...]

250 OK id=1R3xWj-0001jq-Mt
QUIT
221 hermes.netfonds.no closing connection
---------

So the "broken by remote peer" string is inserted way up there, and not
where you'd expect -- at the end of the buffer.

This seems like a bug to me, I think, but I thought I'd ask here first
if anybody knows what this is about.

-- 
(domestic pets only, the antidote for overdose, milk.)
  bloggy blog http://lars.ingebrigtsen.no/