There are inexpensive usb hub + ethernet dongles on the market which are useful for adding connectivity to the raspberry pi zero (which has no network interface and only one usb port) or zero w (which has wifi but no ethernet). This patch makes at least one such dongle work for Plan 9.
(It's already applied on the new 9pi.img.gz) term% cat /n/sources/patch/usb-ether-cdc/readme Make reading of descriptors more robust to support more usb cdc-ecm devices, and add realtek rtl8152 to usbdb for automatic recognition. Note: this obsoletes the earlier patch maybe/usb-short-desc
