** Changed in: network-manager (Ubuntu)
       Status: Incomplete => New

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https://bugs.launchpad.net/bugs/1884336

Title:
  Erratic ethernet connectivity and icon

Status in network-manager package in Ubuntu:
  New

Bug description:
  Ubuntu 18.04.4 LTS

  Installed: 1.10.6-2ubuntu1.4
    Candidate: 1.10.6-2ubuntu1.4
    Version table:
   *** 1.10.6-2ubuntu1.4 500

  Expected behavior is a stable high-speed internet connection when usb
  tethering with an Android phone.

  Instead, for the past three months, since covid slowed down internet
  connectivity on Jio telecom in India, my Ubuntu internet connectivity
  has become erratic.  In the early morning before 6 AM when I tether an
  Android phone to my laptop the internet connectivity indicator in the
  upper right-hand corner of the desktop shows the normal three boxes in
  a triangle and has decent speed.  As network traffic increases the
  indicator turns to three gray boxes with a question mark in the middle
  and connectivity speed remains decent for a few websites, such as
  YouTube, Google Search and some others, but connectivity stops for
  most websites.  Chromium, Vivaldi and Firefox browsers show the
  following error for such sites: “This site can’t be reached.
  askubuntu.com’s server IP address could not be found.”

  Oddly, in tri-booted Win 10 all websites open reliably 24/7, though
  sometimes at slow speeds.  In Fedora 31 on the same hardware the
  behavior is identical to Ubuntu.  I’ve tried changing the DNS settings
  in Ubuntu to use Cloud Flare, Google and even the DNS settings in
  Windows, but to no avail.  On Ask Ubuntu there were no helpful
  comments except a suggestion to file a bug report.

  Ideally, connectivity without "unable to connect" errors on most
  websites should be available always.

  BTW, when I allowed data to be collected for this bug report it was in
  the early morning, so the connection was working properly and the
  network icon was the normal three boxes in a triangle with decent
  speed.  If need be, I can send more information later when the "unable
  to connect" errors occur from Windows 10, or via email, which always
  works.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: network-manager 1.10.6-2ubuntu1.4
  ProcVersionSignature: Ubuntu 4.15.0-106.107-generic 4.15.18
  Uname: Linux 4.15.0-106-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.20.9-0ubuntu7.15
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Sat Jun 20 06:49:22 2020
  IfupdownConfig:
   # interfaces(5) file used by ifup(8) and ifdown(8)
   auto lo
   iface lo inet loopback
  InstallationDate: Installed on 2018-08-25 (664 days ago)
  InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 
(20180725)
  IpRoute:
   default via 192.168.137.129 dev enp0s20u1 proto dhcp metric 100 
   169.254.0.0/16 dev enp0s20u1 scope link metric 1000 
   192.168.137.0/24 dev enp0s20u1 proto kernel scope link src 192.168.137.9 
metric 100
  NetworkManager.state:
   [main]
   NetworkingEnabled=true
   WirelessEnabled=true
   WWANEnabled=true
  RfKill:
   0: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: no
  SourcePackage: network-manager
  UpgradeStatus: No upgrade log present (probably fresh install)
  nmcli-dev:
   DEVICE     TYPE      STATE         DBUS-PATH                                 
 CONNECTION          CON-UUID                              CON-PATH             
                              
   enp0s20u1  ethernet  connected     /org/freedesktop/NetworkManager/Devices/4 
 Wired connection 3  d70d6035-59a6-34c1-a00a-d222c65aef1c  
/org/freedesktop/NetworkManager/ActiveConnection/1 
   wlp2s0     wifi      disconnected  /org/freedesktop/NetworkManager/Devices/3 
 --                  --                                    --                   
                              
   enp3s0f2   ethernet  unavailable   /org/freedesktop/NetworkManager/Devices/2 
 --                  --                                    --                   
                              
   lo         loopback  unmanaged     /org/freedesktop/NetworkManager/Devices/1 
 --                  --                                    --
  nmcli-nm:
   RUNNING  VERSION  STATE      STARTUP  CONNECTIVITY  NETWORKING  WIFI-HW  
WIFI     WWAN-HW  WWAN    
   running  1.10.6   connected  started  full          enabled     enabled  
enabled  enabled  enabled

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