I installed network-manager-gnome version 1.2.2 available in yakkety. After preliminary testing (a couple of suspend cycles) it seems to have fixed the problem!
You can download binaries from https://launchpad.net/ubuntu/yakkety/+source/network-manager-applet or build it on xenial like this: # apt-get install devscripts # apt-get build-dep network-manager-applet $ dget http://archive.ubuntu.com/ubuntu/pool/main/n/network-manager-applet/network-manager-applet_1.2.2-0ubuntu1.dsc $ dpkg-source -x network-manager-applet_1.2.2-0ubuntu1.dsc $ cd network-manager-applet-1.2.2 $ dpkg-buildpackage -uc -us # dpkg -i *.deb -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to network-manager in Ubuntu. https://bugs.launchpad.net/bugs/1589401 Title: cannot view wifi networks after re-enabling wifi Status in NetworkManager: Confirmed Status in network-manager package in Ubuntu: Confirmed Bug description: after re enabling wifi, up-down arrows just like wired network. cannot see any wifi ssid. To manage notifications about this bug go to: https://bugs.launchpad.net/network-manager/+bug/1589401/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp