I usually see such things with kernel version changes.  In past lives, I've
used something like ifrename to handle that situation.  I think the modern
method is to make (e)udev do it.

On Mon, Aug 21, 2017 at 9:41 AM, Steve Litt <sl...@troubleshooters.com>

> Hi all,
> On another list we're discussing how likely it is to get two identical
> NICs reshuffled on boot when using the old style naming (eth0, not
> eno1p2s). By reshuffling I mean that last boot's eth0 is now eth1 and
> last boot's eth1 is now eth0. One guy with 4.2 billion years of sysvinit
> experience said that although it's possible in theory, he's never seen
> it happen except when hardware was replaced.
> My question is this: When using inits like runit, s6, s6-rc,
> sysvinit+daemontools and the like, is the likelihood of NICs getting
> reshuffled on reboot any greater than it would be with sysvinit?
> Thanks,
> SteveT

Kevin Berry

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