SSH strangeness on 4.9

[Don Lewis]

On 31 Jan, Richard Schilling wrote:
> I've had similar issues connecting via SSH to a solaris box.  I thought 
> it was related to the job I was running on the Solaris box, but never 
> did find the answer.  In my case when I exit from the other box the 
> connection seems to hang.  The only way to completely terminate is to 
> kill the ssh process.

I've run into that with Solaris as well.  At least in the case of
Solaris it is not a problem specific to FreeBSD, since I was connecting
from a Linux client.