Messages in this thread | ![/](/images/icornerl.gif) | | Date | Thu, 10 Aug 2017 16:10:18 +0200 | From | Andrew Lunn <> | Subject | Re: [PATCH RFC net-next] net: Allow name change of IFF_UP interfaces |
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> >> Can you think of any particular real world scenarios which are broken by > >> the change? > > > > How about: > > > > man 8 dhclient-script > > > > The interface name is passed in $interface to the scripts. Do we get > > the old name or the new name? I suspect scripts are going to break if > > they are given the old name, which no longer exists. > > Yes but why would anyone change interface name while dhclient-script is > running? Things will also go wrong if you try bringing interface down > during the run or do some other configuration, right?
dhclient already handles the interface going down. sendto/recvfrom fails and returns an error code. As far as i remember, dhclient then exits.
> Running multiple configuration tools at the same moment is a bad > idea, you never know what you're gonna end up with.
It could be argued that configuring an interface vs renaming an interface are at different levels.
Andrew
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