I am using Ubuntu 16.10 and recently I have not been able to connect to internet using Ethernet. The network manager shows
device not managed.
The WiFi network is working fine.
I've tried the solution from this questionn Ubuntu 16.04 Ethernet issues with no use.
# interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback
[main] plugins=ifupdown,keyfile,ofono dns=dnsmasq [ifupdown] managed=true
DEVICE TYPE STATE CONNECTION wlp2s0 wifi connected eduroam enp8s0 ethernet unmanaged -- lo loopback unmanaged --