Public bug reported:

General Information.

uname -a:
Linux 4.4.0-21-generic #37-Ubuntu SMP Mon Apr 18 18:33:37 UTC 2016 x86_64 
x86_64 x86_64 GNU/Linux

sudo iwconfig:

enp0s25   no wireless extensions.

wwan0     no wireless extensions.

lo        no wireless extensions.

wlp3s0    IEEE 802.11abgn  ESSID:"SEE-R"  
          Mode:Managed  Frequency:2.462 GHz  Access Point: C4:6E:1F:9E:3D:44   
          Bit Rate=300 Mb/s   Tx-Power=22 dBm   
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:on
          Link Quality=63/70  Signal level=-47 dBm  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:524   Missed beacon:0

sudo lshw:

 *-network
                description: Wireless interface
                product: Wireless 7260
                vendor: Intel Corporation
                physical id: 0
                bus info: pci@0000:03:00.0
                logical name: wlp3s0
                version: 73
                serial: ac:7b:a1:8a:f9:b2
                width: 64 bits
                clock: 33MHz
                capabilities: pm msi pciexpress bus_master cap_list ethernet 
physical wireless
                configuration: broadcast=yes driver=iwlwifi 
driverversion=4.4.0-21-generic firmware=16.242414.0 ip=192.168.0.112 latency=0 
link=yes multicast=yes wireless=IEEE 802.11abgn
                resources: irq:31 memory:f1500000-f1501fff

Wireless keeps disconnecting no matter what Intel 7260 driver I use.
Since this problem didn't occur in ubuntu 14.04, I guess it is kernel related.

** Affects: ubuntu
     Importance: Undecided
         Status: New


** Tags: wireless

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https://bugs.launchpad.net/bugs/1578610

Title:
  Ubuntu 16.04  - Bad support for Intel Wireless 7260

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