Shut down any existing emulator instances:
ffx emu stop --all
Start a new instance of the Fuchsia emulator with driver framework enabled:
ffx emu start workstation_eng.qemu-x64 --headless \ --kernel-args "driver_manager.use_driver_framework_v2=true" \ --kernel-args "driver_manager.root-driver=fuchsia-boot:///#meta/platform-bus.cm" \ --kernel-args "devmgr.enable-ephemeral=true"