Hi Patrick Am 27.07.2017 um 17:15 schrieb debian-lists@patschie.de: > Hi, > > I’m running into some troubles to enable the predictable network interface names for a system upgraded from Jessie. > > What I figured out so far: > Setting net.ifnames=1 on the kernel command line doesn’t help and seems no longer to be supported parameter (at least "sysctl - a" doesn’t show it). Setting that parameter should work, but it doesn't take precedence over an existing /etc/udev/rules.d/70-persistent-net.rules Since net.ifnames=1 is the default since stretch, you don't need to set it explicitly though. > Removing any /etc/udev/rules.d/ file handling the network interface doesn’t bring the desired effect of having predictable network interface names. > > I started now to compare /lib/udev/rules.d from a clean stretch installation with the files on a upgraded system, the clean installation has much more files. > So next try reinstalling udev to get all missing/new rule files from stretch, but that didn’t work either. > > Any ideas what I could try next or missed to check? > Most likely the file /etc/udev/rules.d/70-persistent-net.rules got embedded in the initramfs. So once you removed that file, you also need to rebuild the initramfs via update-initramfs -u Michael
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