Hi
I have exactly the same errors on Android6 and WL18xx, (I have adpted Lollipop modification) all works fine exceted entering tethering in settup.
06-19 10:04:18.674 584 625 D wifi : Can not initialize the vendor function pointer table
06-19 10:04:18.674 584 625 E WifiNative-HAL: Could not start hal
06-19 10:04:18.674 584 625 E WifiStateMachine: Failed to start HAL
Please can you explained me how you have solved it ?
Thanks
Serge