IMPORT="usb_id --export %p"
ENV{ID_SERIAL}=="", GOTO="persistent_serial_end"
SUBSYSTEMS=="usb", ENV{ID_IFACE}="$attr{bInterfaceNumber}"
ENV{ID_IFACE}=="", GOTO="persistent_serial_end"
IMPORT="usb_id --export %p"
ENV{ID_SERIAL}=="", GOTO="persistent_serial_end"
SUBSYSTEMS=="usb", ENV{ID_IFACE}="$attr{bInterfaceNumber}"
ENV{ID_IFACE}=="", GOTO="persistent_serial_end"