Comment 9 for bug 847782

Thanks for the new info Colin.

In light of all the info here, I think the right way to go is to update the failsafe.conf to inform the user that the system boot is delayed waiting for network configuration. This will give the user a chance to inspect their network configuration, and will allow support people to quickly ascertain the status of /etc/network/interfaces and fix it.

I believe the way to do this is with a plymouth message after 20 seconds. This will ensure that any plugged in system sees no message, but anybody waiting an unreasonable amount of time is informed quickly. Opening a task against upstart since that is where failsafe.conf lives.