Public bug reported:

When doing a fresh install of Ubuntu 17.10 I notice that the installer
didn't detect my wired ethernet correctly. I went through with the
installation and I could still not connect to the internet. In the
network settings I found that the MAC address was incorrect. It was set
to ED:0B:00:00:E0:00 which is not the correct MAC address. My previous
installation of Ubuntu 16.04 could find the correct MAC address
automatically.

I tried setting the correct MAC address in the network settings but that
made the wired connection disappear from the network settings
altogether.

My work around is to run the following commands at boot time:

ip link set dev enp6s0 address xx:xx:xx:xx:xx:xx
ip link set dev enp6s0 up

(xx:xx:xx:xx:xx:xx is my correct MAC address)

ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: network-manager 1.8.4-1ubuntu3
ProcVersionSignature: Ubuntu 4.13.0-21.24-generic 4.13.13
Uname: Linux 4.13.0-21-generic x86_64
ApportVersion: 2.20.7-0ubuntu3.6
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Mon Jan  1 15:13:43 2018
IfupdownConfig:
 # interfaces(5) file used by ifup(8) and ifdown(8)
 auto lo
 iface lo inet loopback
InstallationDate: Installed on 2018-01-01 (0 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018)
IpRoute:
 default via 192.168.1.1 dev enp6s0 proto static metric 100 
 169.254.0.0/16 dev enp6s0 scope link metric 1000 
 192.168.1.0/24 dev enp6s0 proto kernel scope link src 192.168.1.105 metric 100
IwConfig:
 lo        no wireless extensions.
 
 enp6s0    no wireless extensions.
NetworkManager.state:
 [main]
 NetworkingEnabled=true
 WirelessEnabled=true
 WWANEnabled=true
RfKill:
 
SourcePackage: network-manager
UpgradeStatus: No upgrade log present (probably fresh install)
nmcli-dev:
 DEVICE  TYPE      STATE      DBUS-PATH                                  
CONNECTION  CON-UUID                              CON-PATH                      
                     
 enp6s0  ethernet  connected  /org/freedesktop/NetworkManager/Devices/2  
Profile 9   51c4e9b3-335a-4ebb-abe2-490ec595eaa9  
/org/freedesktop/NetworkManager/ActiveConnection/1 
 lo      loopback  unmanaged  /org/freedesktop/NetworkManager/Devices/1  --     
     --                                    --
nmcli-nm:
 RUNNING  VERSION  STATE      STARTUP  CONNECTIVITY  NETWORKING  WIFI-HW  WIFI  
   WWAN-HW  WWAN    
 running  1.8.4    connected  started  full          enabled     enabled  
enabled  enabled  enabled

** Affects: network-manager (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug artful wayland-session

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https://bugs.launchpad.net/bugs/1740746

Title:
  No ethernet after installing ubuntu 17.10 due to MAC address problem

Status in network-manager package in Ubuntu:
  New

Bug description:
  When doing a fresh install of Ubuntu 17.10 I notice that the installer
  didn't detect my wired ethernet correctly. I went through with the
  installation and I could still not connect to the internet. In the
  network settings I found that the MAC address was incorrect. It was
  set to ED:0B:00:00:E0:00 which is not the correct MAC address. My
  previous installation of Ubuntu 16.04 could find the correct MAC
  address automatically.

  I tried setting the correct MAC address in the network settings but
  that made the wired connection disappear from the network settings
  altogether.

  My work around is to run the following commands at boot time:

  ip link set dev enp6s0 address xx:xx:xx:xx:xx:xx
  ip link set dev enp6s0 up

  (xx:xx:xx:xx:xx:xx is my correct MAC address)

  ProblemType: Bug
  DistroRelease: Ubuntu 17.10
  Package: network-manager 1.8.4-1ubuntu3
  ProcVersionSignature: Ubuntu 4.13.0-21.24-generic 4.13.13
  Uname: Linux 4.13.0-21-generic x86_64
  ApportVersion: 2.20.7-0ubuntu3.6
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Mon Jan  1 15:13:43 2018
  IfupdownConfig:
   # interfaces(5) file used by ifup(8) and ifdown(8)
   auto lo
   iface lo inet loopback
  InstallationDate: Installed on 2018-01-01 (0 days ago)
  InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018)
  IpRoute:
   default via 192.168.1.1 dev enp6s0 proto static metric 100 
   169.254.0.0/16 dev enp6s0 scope link metric 1000 
   192.168.1.0/24 dev enp6s0 proto kernel scope link src 192.168.1.105 metric 
100
  IwConfig:
   lo        no wireless extensions.
   
   enp6s0    no wireless extensions.
  NetworkManager.state:
   [main]
   NetworkingEnabled=true
   WirelessEnabled=true
   WWANEnabled=true
  RfKill:
   
  SourcePackage: network-manager
  UpgradeStatus: No upgrade log present (probably fresh install)
  nmcli-dev:
   DEVICE  TYPE      STATE      DBUS-PATH                                  
CONNECTION  CON-UUID                              CON-PATH                      
                     
   enp6s0  ethernet  connected  /org/freedesktop/NetworkManager/Devices/2  
Profile 9   51c4e9b3-335a-4ebb-abe2-490ec595eaa9  
/org/freedesktop/NetworkManager/ActiveConnection/1 
   lo      loopback  unmanaged  /org/freedesktop/NetworkManager/Devices/1  --   
       --                                    --
  nmcli-nm:
   RUNNING  VERSION  STATE      STARTUP  CONNECTIVITY  NETWORKING  WIFI-HW  
WIFI     WWAN-HW  WWAN    
   running  1.8.4    connected  started  full          enabled     enabled  
enabled  enabled  enabled

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