Also further to #60, I have put the following in mine (Thinkpad X1
Carbon 3) and it does indeed seem to fix the problem so far - been
testing over a few days:

/lib/systemd/system-sleep/wpasupplicant:

        post) (sleep 3 ; /sbin/wpa_cli resume) & ;;

16.04.1 fresh install, kernel 4.4.0-59; network-manager
1.2.2-0ubuntu0.16.04.3

Anything shorter than 3 seconds seems to be too fast for that race
condition; could this suggest this might be better fixed with a systemd
dependency?

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https://bugs.launchpad.net/bugs/1585863

Title:
  WiFi malfunction after suspend & resume stress - sudo wpa_cli scan
  required to fix it.

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