Backport the 802-1x-optional branch to 1.20 [bg/802-1x-optional-on-1-20]
Changed the symbol availability version from 1.22 to 1.20.6.
There were trivial conflicts due to lack of 2d42c1b1.
Changed the symbol availability version from 1.22 to 1.20.6.
There were trivial conflicts due to lack of 2d42c1b1.