Public bug reported:

Every hour or so, I'm unable to access the internet through this laptop.
dmesg usually reports errors related to the network adapter, but not
always. Disconnecting from the current Wifi network and connecting to
another, usually works. Immediately connecting to the original network
after that does not cause the problem to reoccur. At least, not for
another hour or so.

I'm not sure how to better describe this bug.

The network also provides a nfs drive that is mounted on the laptop, if
that is significant.

ProblemType: Bug
DistroRelease: Ubuntu 16.10
Package: linux-image-4.8.0-39-generic 4.8.0-39.42
ProcVersionSignature: Ubuntu 4.8.0-39.42-generic 4.8.17
Uname: Linux 4.8.0-39-generic x86_64
ApportVersion: 2.20.3-0ubuntu8.2
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  ruud       2810 F.... pulseaudio
CurrentDesktop: Unity
Date: Sun Feb 26 02:13:55 2017
HibernationDevice: RESUME=UUID=2f2d2c45-4fef-49ec-932a-8314b15c2f6b
InstallationDate: Installed on 2016-11-08 (109 days ago)
InstallationMedia: Ubuntu 16.10 "Yakkety Yak" - Release amd64 (20161012.2)
MachineType: Dell Inc. XPS 13 9360
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.8.0-39-generic.efi.signed 
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-4.8.0-39-generic N/A
 linux-backports-modules-4.8.0-39-generic  N/A
 linux-firmware                            1.162
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/18/2017
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.3.2
dmi.board.name: 0T3FTF
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias: 
dmi:bvnDellInc.:bvr1.3.2:bd01/18/2017:svnDellInc.:pnXPS139360:pvr:rvnDellInc.:rn0T3FTF:rvrA00:cvnDellInc.:ct9:cvr:
dmi.product.name: XPS 13 9360
dmi.sys.vendor: Dell Inc.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug yakkety

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https://bugs.launchpad.net/bugs/1668031

Title:
  Network adapter keeps on hanging up

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