I have the same problem, I'm able to get NM connect to the wifi network by running either of "sudo wpa_cli scan" and "sudo iwlist <interface> scan". With respect to what happens on my computer, the behavior is the same described in bug 1585863.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1630336 Title: NM doesn't scan for wifi networks after suspend To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager-applet/+bug/1630336/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs