We need to tell the X server to grab the keyboards
and mice associated with a hotplugged seat, so that
it doesn't have the ability to control the kernel
vt consoles.
"Section \"ServerFlags\"\n"
" Option \"AutoAddDevices\" \"True\"\n"
" Option \"AllowEmptyInput\" \"True\"\n"
+ " Option \"DontVTSwitch\" \"True\"\n"
+ "EndSection\n"
+ "Section \"InputClass\"\n"
+ " Identifier \"Force Input Devices to Seat\"\n"
+ " Option \"GrabDevice\" \"True\"\n"
"EndSection\n",
device_node);