apport information

** Attachment added: "ProcCpuinfoMinimal.txt"
   
https://bugs.launchpad.net/bugs/1876884/+attachment/5366705/+files/ProcCpuinfoMinimal.txt

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https://bugs.launchpad.net/bugs/1876884

Title:
  Unable to enable screen sharing after upgrade to 20.04

Status in gnome-control-center package in Ubuntu:
  New

Bug description:
  After upgrading ubuntu desktop from 19.10 to 20.04, it's impossible to enable 
screen sharing.
  It used to work fine on 19.10. 

  When clicking the enable/disable toggle, the following message is
  logged in journalctl:

  Failed to enable service vino-server:
  GDBus.Error:org.freedesktop.DBus.Error.InvalidArgs: Sharing cannot be
  enabled on this network, status is '0'

  This is reproducible on both computers I've upgraded. They're both on
  the latest 20.04 package updates as of today.

  I've done some research to rule out common faults:

  $ cat /etc/netplan/01-network-manager-all.yaml 
  # Let NetworkManager manage all devices on this system
  network:
    version: 2
    renderer: NetworkManager

  (Yes, I've ofc ran netplan apply, but the file already had this
  content anyway.)

  $ cat /etc/NetworkManager/NetworkManager.conf 
  [main]
  plugins=ifupdown,keyfile

  [ifupdown]
  managed=false

  [device]
  wifi.scan-rand-mac-address=no

  
  Also, this seems unrelated to #1871787:
  $ dpkg -l |grep gnome-settings-daemon
  ii  gnome-settings-daemon                      3.36.0-1ubuntu2
  ii  gnome-settings-daemon-common               3.36.0-1ubuntu2
  --- 
  ProblemType: Bug
  ApportVersion: 2.20.11-0ubuntu27
  Architecture: amd64
  CasperMD5CheckResult: skip
  DistroRelease: Ubuntu 20.04
  InstallationDate: Installed on 2020-01-17 (108 days ago)
  InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
  Package: gnome-control-center 1:3.36.1-1ubuntu5
  PackageArchitecture: amd64
  ProcVersionSignature: Ubuntu 5.4.0-28.32-generic 5.4.30
  Tags:  focal
  Uname: Linux 5.4.0-28-generic x86_64
  UpgradeStatus: Upgraded to focal on 2020-04-28 (6 days ago)
  UserGroups:
   
  _MarkForUpload: True

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