Comment 20 for bug 1589401

I see the same problem when coming out of suspend:

Ubuntu 16.04 Unity, Dell XPS 13 9333 (Sputnik 3), Intel Wireless 7260.
Ubuntu 16.04 Unity, Lenovo Thinkpad X220, Intel Wireless 6205.

If I restart the network-manager service, it recovers until the next suspend:

sudo systemctl restart network-manager.service

On boot, the systems do show a list of wireless networks, but with the Ethernet connected icon. They are unable to join any WiFi network due to 'Insufficient privileges' and do not automatically join known networks. Once the user is logged in the applet works, until it is put into, and recovers from, suspend.