Enabling 802.11r breaks WPA2 with hostapd (GL.inet fw)

Installing and Using OpenWrt Network and Wireless Configuration
10

I have taken my Skoda superb to a VW garage before. Because it's the same engine and drivetrain with a different body.

And what do you know - it is isn't a GL-inet fw problem after all: Ieee80211r configuration with openwrt LUCI setup