Service network-manager restart does not fix the problem for me.  The only
way I have found is to reboot.  I tried several other suggestions in other
peoples posts that have a similar problem and none have worked. I have
reinstalled network-manger with no change.

On Tue, Aug 23, 2016 at 10:23 PM, Tyler <email address hidden> wrote:

> I have been having trouble with this as well.  It happens occasionally
> for me...usually after a long period of inactivity.  Restarting the
> network manager will bring everything back to life:
>
> service network-manager restart
>
> I haven't tried reinstalling the network manager yet.
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1615164
>
> Title:
>   wifi connection manager gone, vpn connections gone after suspend
>   ,until reboot
>
> Status in network-manager package in Ubuntu:
>   Confirmed
>
> Bug description:
>   After coming out of suspend mode, network-manager starts having
>   problems with the wifi.  the area wifi networks disappear after coming
>   out of suspend.  Also after coming out of suspend 2 or 3 times the vpn
>   connections disappear and only return after a reboot.
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 16.04
>   Package: network-manager 1.2.0-0ubuntu0.16.04.3
>   ProcVersionSignature: Ubuntu 4.4.0-31.50-generic 4.4.13
>   Uname: Linux 4.4.0-31-generic x86_64
>   ApportVersion: 2.20.1-0ubuntu2.1
>   Architecture: amd64
>   CurrentDesktop: Unity
>   Date: Fri Aug 19 19:41:46 2016
>   IfupdownConfig:
>    # interfaces(5) file used by ifup(8) and ifdown(8)
>    auto lo
>    iface lo inet loopback
>   InstallationDate: Installed on 2016-07-24 (26 days ago)
>   InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64
> (20160420.1)
>   IpRoute:
>    default via 192.168.1.1 dev wlo1  proto static  metric 600
>    169.254.0.0/16 dev tun0  scope link  metric 1000
>    192.168.1.0/24 dev wlo1  proto kernel  scope link  src 192.168.1.122
> metric 600
>    192.168.20.0/24 via 192.168.20.1 dev tun0
>    192.168.20.1 dev tun0  proto kernel  scope link  src 192.168.20.9
>   NetworkManager.state:
>    [main]
>    NetworkingEnabled=true
>    WirelessEnabled=true
>    WWANEnabled=true
>   ProcEnviron:
>    LANGUAGE=en_US
>    PATH=(custom, no user)
>    XDG_RUNTIME_DIR=<set>
>    LANG=en_US.UTF-8
>    SHELL=/bin/bash
>   SourcePackage: network-manager
>   UpgradeStatus: No upgrade log present (probably fresh install)
>   nmcli-dev:
>    DEVICE   TYPE      STATE        DBUS-PATH
>     CONNECTION   CON-UUID                              CON-PATH
>    tun0     tun       connected    /org/freedesktop/NetworkManager/Devices/1
> tun0         641bc6b5-71c8-418f-98ef-3e1b4dbe8cab  /org/freedesktop/
> NetworkManager/ActiveConnection/0
>    wlo1     wifi      connected    /org/freedesktop/NetworkManager/Devices/0
> IAMSECOND 1  185f61fb-9917-4576-83a0-1f2cfb77de31  /org/freedesktop/
> NetworkManager/ActiveConnection/2
>    enp0s25  ethernet  unavailable  /org/freedesktop/NetworkManager/Devices/2
> --           --                                    --
>    lo       loopback  unmanaged    /org/freedesktop/NetworkManager/Devices/3
> --           --                                    --
>   nmcli-nm:
>    RUNNING  VERSION  STATE      STARTUP  CONNECTIVITY  NETWORKING
> WIFI-HW  WIFI     WWAN-HW  WWAN
>    running  1.2.0    connected  started  full          enabled
>  enabled  enabled  enabled  enabled
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1615164/+
> subscriptions
>