Public bug reported:

Wireless lan can not be recognized if os is updated.

*-usb:0                 
       詳細: 無線インターフェース
       製品: WDC-150SU2M
       ベンダー: ELECOM
       物理ID: 2
       バス情報: usb@1:2
       論理名: wlxbc5c4c6a0ce5
       バージョン: 0.00
       シリアル: bc:5c:4c:6a:0c:e5
       性能: usb-2.00 __________________ physical wireless
       設定: broadcast=yes driver=r8188eu ip=192.168.179.2 maxpower=500mA 
multicast=yes speed=480Mbit/s wireless=IEEE 802.11bgn


メモリー 15.6 GiB

Intel® Core™ i7-7700 CPU @ 3.60GHz × 8

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-21-generic 4.4.0-21.37
ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6
Uname: Linux 4.4.0-21-generic x86_64
ApportVersion: 2.20.1-0ubuntu2
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  k          1346 F.... pulseaudio
CurrentDesktop: Unity
Date: Mon Mar 20 21:12:09 2017
GvfsMonitorLog: Monitoring events. Press Ctrl+C to quit.
HibernationDevice: RESUME=UUID=77206c6d-1f89-4e22-aabe-26ab8af7eba7
HotplugNewDevices:
 
HotplugNewMounts:
 
InstallationDate: Installed on 2017-03-20 (0 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64(20160426.1)
MachineType: INVERSENET INC. FRONTIER
ProcFB: 0 EFI VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-21-generic.efi.signed 
root=UUID=539fbe19-33c8-40bb-9dfd-7aabc5bb772a ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-4.4.0-21-generic N/A
 linux-backports-modules-4.4.0-21-generic  N/A
 linux-firmware                            1.157
RfKill:
 
SourcePackage: linux
StagingDrivers: r8188eu
Symptom: storage
UdevMonitorLog:
 monitor will print the received events for:
 UDEV - the event which udev sends out after rule processing
UdisksMonitorLog:
 Monitoring the udisks daemon. Press Ctrl+C to exit.
 21:12:20.787: The udisks-daemon is running (name-owner :1.52).
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/10/2017
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 5.12
dmi.board.asset.tag: Default string
dmi.board.name: H110M-SI01
dmi.board.vendor: ECS
dmi.board.version: 1.0
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: KOZIRO
dmi.chassis.version: 1.0
dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr5.12:bd02/10/2017:svnINVERSENETINC.:pnFRONTIER:pvr1.0:rvnECS:rnH110M-SI01:rvr1.0:cvnKOZIRO:ct3:cvr1.0:
dmi.product.name: FRONTIER
dmi.product.version: 1.0
dmi.sys.vendor: INVERSENET INC.

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


** Tags: amd64 apport-bug staging xenial

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https://bugs.launchpad.net/bugs/1674312

Title:
  Wireless lan can not be recognized

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