Wifi disabled after resume from suspend on Dell Latitude E7450

[Martin Venuš]

Steps to reproduce:
1) Connect to network via wifi
2) Suspend your notebook
3) Resume from suspend - wifi will be disabled and you have to turn wifi manually

HW: Dell Latitude E7450

Description: Ubuntu Xenial Xerus (development branch)
Release: 16.04

network-manager:
  Instalovaná verze: 1.0.4-0ubuntu10
  Kandidát: 1.0.4-0ubuntu10
  Tabulka verzí:
 *** 1.0.4-0ubuntu10 500
        500 http://archive.ubuntu.com/ubuntu xenial/main amd64 Packages
        100 /var/lib/dpkg/status

What happened: wifi is turned off after resume from suspend.
Expected: wifi should be on after resume from suspend.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: network-manager 1.0.4-0ubuntu10
ProcVersionSignature: Ubuntu 4.4.0-16.32-generic 4.4.6
Uname: Linux 4.4.0-16-generic x86_64
ApportVersion: 2.20.1-0ubuntu1
Architecture: amd64
CasperVersion: 1.370
CurrentDesktop: Unity
Date: Sat Apr 2 12:05:05 2016
IfupdownConfig:
 # interfaces(5) file used by ifup(8) and ifdown(8)
 auto lo
 iface lo inet loopback
IpRoute:

LiveMediaBuild: Ubuntu 16.04 LTS "Xenial Xerus" - Beta amd64 (20160401)
NetworkManager.state:
 [main]
 NetworkingEnabled=true
 WirelessEnabled=true
 WWANEnabled=true
 WimaxEnabled=true
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=cs_CZ.UTF-8
 SHELL=/bin/bash
SourcePackage: network-manager
UpgradeStatus: No upgrade log present (probably fresh install)
nmcli-con:
 NAME UUID TYPE TIMESTAMP TIMESTAMP-REAL AUTOCONNECT AUTOCONNECT-PRIORITY READONLY DBUS-PATH ACTIVE DEVICE STATE ACTIVE-PATH
 Petrikovi fc08f65c-260b-43b9-ae5d-df784e87ffd2 802-11-wireless 1459598679 So 2. duben 2016, 12:04:39 UTC yes 0 no /org/freedesktop/NetworkManager/Settings/1 no -- -- --
 Wired connection 1 62835f6a-985f-4f05-afa3-e0fe1f31de93 802-3-ethernet 1459598635 So 2. duben 2016, 12:03:55 UTC yes 0 no /org/freedesktop/NetworkManager/Settings/0 no -- -- --
nmcli-dev:
 DEVICE TYPE STATE DBUS-PATH CONNECTION CON-UUID CON-PATH
 eno1 ethernet unavailable /org/freedesktop/NetworkManager/Devices/2 -- -- --
 wlp2s0 wifi unavailable /org/freedesktop/NetworkManager/Devices/1 -- -- --
 lo loopback unmanaged /org/freedesktop/NetworkManager/Devices/0 -- -- --
nmcli-nm: Error: command ['nmcli', '-f', 'all', 'nm'] failed with exit code 2: Error: Object 'nm' is unknown, try 'nmcli help'.

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Sebastien Bacher (seb128)]

Could you try if that's still an issue with https://launchpad.net/ubuntu/+source/network-manager/1.2.0-0ubuntu0.16.04.2?