Ralph Ronnquist wrote on 05/07/2017 06:21 AM:
<snip>
>
> You have managed to upll in the eudev implementation from experimental, and unless it works for you, it's best to retract:
>
> # apt-get install udev=215-17+deb8u6 libudev1=215-17+deb8u6
>
> the makedev package should be ok
>
> Note that udev=220:3.2.2-4 and libudev1=220:3.2.2-4 are actually an eudev replacement implementation, and not a "standard" udev upgrade.
>
> Ralph.


Thank you. I think this has resolved it.
I've also removed the experimental repo line from apt sources.