*** This bug is a duplicate of bug 1676547 ***
https://bugs.launchpad.net/bugs/1676547
** This bug has been marked a duplicate of bug 1676547
No network connectivity after upgrade from 16.04 to 16.10
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https://bugs.launchpad.net/bugs/1671873
Title:
Upgrade to Yakkety removes eth0 from /etc/network/interfaces
Status in network-manager package in Ubuntu:
Confirmed
Bug description:
I've just upgraded this machine from Kubuntu 16.04 to Kubuntu 16.10
using the uprading UI. Before the upgrade, I had lo and eth0 in
/etc/network/interfaces. After the upgrade, there was only lo, no eth0
anymore, leaving me without a network connection. I had to re-enter
eth0 into the file and restart the networking service to get
networking functionality again.
ProblemType: Bug
DistroRelease: Ubuntu 16.10
Package: network-manager 1.2.6-0ubuntu1
ProcVersionSignature: Ubuntu 4.8.0-41.44-generic 4.8.17
Uname: Linux 4.8.0-41-generic x86_64
ApportVersion: 2.20.3-0ubuntu8.2
Architecture: amd64
CurrentDesktop: KDE
Date: Fri Mar 10 17:24:57 2017
IfupdownConfig:
auto lo
iface lo inet loopback
auto eth0
iface eth0 inet dhcp
InstallationDate: Installed on 2012-01-28 (1868 days ago)
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
IpRoute:
default via 192.168.100.254 dev eth0
169.254.0.0/16 dev eth0 scope link metric 1000
192.168.100.0/24 dev eth0 proto kernel scope link src 192.168.100.3
IwConfig:
lo no wireless extensions.
eth0 no wireless extensions.
NetworkManager.state:
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
WimaxEnabled=true
RfKill:
SourcePackage: network-manager
UpgradeStatus: Upgraded to yakkety on 2017-03-09 (1 days ago)
nmcli-con: NAME UUID TYPE TIMESTAMP TIMESTAMP-REAL AUTOCONNECT
AUTOCONNECT-PRIORITY READONLY DBUS-PATH ACTIVE DEVICE STATE ACTIVE-PATH
nmcli-dev:
DEVICE TYPE STATE DBUS-PATH
CONNECTION CON-UUID CON-PATH
eth0 ethernet unmanaged /org/freedesktop/NetworkManager/Devices/1 --
-- --
lo loopback unmanaged /org/freedesktop/NetworkManager/Devices/0 --
-- --
nmcli-nm:
RUNNING VERSION STATE STARTUP CONNECTIVITY NETWORKING WIFI-HW
WIFI WWAN-HW WWAN
running 1.2.6 connected started none enabled enabled
enabled enabled enabled
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