Hi, On Thu, Sep 13, 2018 at 10:11:26PM +0000, Leroy Tennison wrote: > What bothers me is why the old file format still works on existing > Ubuntu 16 systems and what kinds of other things might break that. > Somehow there must be a "database" (I use the term in the loosest > sense possible) or scheme which says in effect "if nothing has changed > use the previous values". How does this work and does it work > differently under netplan?
Please see https://lists.ubuntu.com/archives/ubuntu-devel/2015-May/038761.html and in particular the paragraph starting "For upgrades". Nothing is different "under netplan" - network interfaing renaming is out of its scope and works exactly the same way for ifupdown as it does for netplan. Hope this helps, Robie
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