Bug#806949: ifupdown: some tweaks to networking.service

[Guus Sliepen]

On Sat, Dec 12, 2015 at 05:18:36PM +0100, Tollef Fog Heen wrote:

> > So network-online.target is very ill-defined, and I'd rather not see
> > anything depending on it, but if we have to, I'd like something that is
> > as conservative as possible.
> 
> I think we should have something that's fairly conservative, yes.  «As
> possible» is too strict.  We shouldn't try calling home by default, for
> instance.

I agree with that. Attached is a script that can wait in a few different
ways:

- Wait for a route to be added (not necessarily a default route)
- Wait for an address to respond to ping packets
- Do nothing

Maybe I could add an option to wait for a specific interface to get a
(non-link-local) address assigned. But let me know if you have comments.

-- 
Met vriendelijke groet / with kind regards,
      Guus Sliepen <guus at debian.org>
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