Looks like this problem is not happening on suspend/resume for my 17.04
- Dell XPS 15 9550.

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https://bugs.launchpad.net/bugs/1673796

Title:
  Ubuntu 16.10, Dell XPS 15 9550, DNS problem after suspend/resume

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  After suspend/resume the wifi network comes back, but the DNS doesn't
  work. I've tried to ping a known IP and it works ok though.

  My normal solution is to restart the network totally (haven't found a
  smaller way to fix the skewed DNS server locally):

  sudo systemctl restart network-manager.service

  Not sure if I should report this on other package related to the DNS
  systemd resolve?

  ProblemType: Bug
  DistroRelease: Ubuntu 16.10
  Package: linux-image-4.8.0-42-generic 4.8.0-42.45
  ProcVersionSignature: Ubuntu 4.8.0-42.45-generic 4.8.17
  Uname: Linux 4.8.0-42-generic x86_64
  ApportVersion: 2.20.3-0ubuntu8.2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/pcmC0D0p:   cruz       2658 F...m pulseaudio
   /dev/snd/controlC0:  cruz       2658 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Fri Mar 17 11:34:54 2017
  HibernationDevice: RESUME=UUID=afd0c8e7-78e3-47d1-b086-10c627ac3d76
  InstallationDate: Installed on 2016-06-13 (277 days ago)
  InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 
(20160420.1)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 003: ID 04f3:21d5 Elan Microelectronics Corp. 
   Bus 001 Device 002: ID 0a5c:6410 Broadcom Corp. 
   Bus 001 Device 004: ID 1bcf:2b95 Sunplus Innovation Technology Inc. 
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: Dell Inc. XPS 15 9550
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.8.0-42-generic 
root=UUID=0bdc13dd-b122-4879-8d8a-31cce3301ef5 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.8.0-42-generic N/A
   linux-backports-modules-4.8.0-42-generic  N/A
   linux-firmware                            1.161.1
  SourcePackage: linux
  UpgradeStatus: Upgraded to yakkety on 2017-03-08 (8 days ago)
  dmi.bios.date: 12/22/2016
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.2.19
  dmi.board.name: 0N7TVV
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: 
dmi:bvnDellInc.:bvr1.2.19:bd12/22/2016:svnDellInc.:pnXPS159550:pvr:rvnDellInc.:rn0N7TVV:rvrA00:cvnDellInc.:ct9:cvr:
  dmi.product.name: XPS 15 9550
  dmi.sys.vendor: Dell Inc.

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