Issues in Dragonboard 845c with Android Automotive 11

Android Automotive 11 has been ported to dragonboard 845c.
But some errors occurs

Issue 1:
in the serial log:
-------------------------------------------------------- log start----------------------------------------------------
[ 755.711528] type=1400 audit(1608520221.247:7075): avc: denied { call } for comm=“Binder:26258_2” scontext=u:r:hal_vehicle_default:s0 tcontext=u:r:servicemanager:s0 tclass=binder permissive=0
[ 755.737203] type=1400 audit(1608520221.247:7076): avc: denied { read } for comm=“Binder:26258_2” name=“u:object_r:boot_status_prop:s0” dev=“tmpfs” ino=13108 scontext=u:r:hal_vehicle_default:s0 tcontext=u:object_r:boot_status_prop:s0 tclass=file permissive=0
[ 755.784915] type=1400 audit(1608520221.347:7077): avc: denied { call } for comm=“Binder:26258_2” scontext=u:r:hal_vehicle_default:s0 tcontext=u:r:servicemanager:s0 tclass=binder permissive=0
[ 755.885152] type=1400 audit(1608520221.447:7078): avc: denied { call } for comm=“Binder:26258_2” scontext=u:r:hal_vehicle_default:s0 tcontext=u:r:servicemanager:s0 tclass=binder permissive=0
-------------------------------------------------------- log end----------------------------------------------------

Is the issue related to sepolicy setting. How can I fix it according the information shown above.
For example ,“Binder:26258_2”, what does it mean ? Maybe process ID ?

Issue 2:
Bluetooth can’t be connected, it keeping connecting and disconnecting.
The log is attached below:


(1.txt)

Thank you so much.