[rancid] arcos repeated diffs of ssh keying

[Randy Bush]

> Since I monitor this device as well, I too saw this.  It appears to
> have not displayed the first line of output, then did, repeat once,
> then settled.

so an oddity in arcos display?  if so, given a clean example, i can
chase with arrcus.

> It does not appear that you reverted the config to stop the changes.
> I suspect that the router was actually doing this itself, since rancid
> does not alter these lines.  Of course, there could some tclexpect bug
> with the long line; it is a single line.

the line from hell.  i deleted a few keys to work around the issue.

randy, who needs more coffee