asm & apm in conjunction producing errors in apm log

apm log produces the following errors when vs is configured with asm policy and access policy. I suspect there are limitations on the types of access policies that can be used with asm. Does anybody know what these are?

Access encountered error: ERR_NOT_SUPPORTED. File: ../modules/hudfilter/access/access.c, Function: access_enabled_asm, Line: 20577
Access encountered error: ERR_NOT_SUPPORTED. File: ../modules/hudfilter/access/access.c, Function: access_disable_plugins_for_access_control_requests, Line 24989
Access encountered error: ERR_NOT_SUPPORTED. File: ../modules/hudfilter/access/access.c, Function: access_forward_request_to_apd, Line: 15179
Access encountered error: ERR_NOT_SUPPORTED. File: ../modules/hudfilter/access/access.c, Function: access_process_state_client_wait_for_req_body, Line 3665
Access encountered error: ERR_NOT_SUPPORTED. File: ../modules/hudfilter/access/access.c, Function: hud_access_handler, Line: 2684