How the android x86 support wireless to connect a virtual open AP in Virtualbox?

Question

Recently I try to install android x86 in virtualbox. And I notice that all documents has no way to handle the wireless problem.(Maybe I can't find it)

But in this project: Mobile security framework

there is an android x86 image for dynamic test which is ova format, and everyone can download it.In this virtual machine, It successfully solve this problem.

I research how does it works, and this is it's wpa_supplicant.conf here in /data/misc/wifi directory.I paste it for reference.

ctrl_interface=eth1
update_config=1
device_name=mobsec
manufacturer=Samsung
serial_number=
device_type=10-0050F204-5
config_methods=physical_display virtual_push_button

network={
    ssid="WiredSSID"
    key_mgmt=NONE
    key_id="UNKNOWN COMMAND"
    engine=1
}

network={
    ssid="WiredSSID"
    key_mgmt=NONE
    key_id="UNKNOWN COMMAND"
    engine=1
    priority=10
}

Is anyone can answer this question?