yes on linux(usbnet) at least for a long while, not sure about usb3.x or windows support though.<p><a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Ethernet_over_USB" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Ethernet_over_USB</a><p>A quick google showed there are Gigabit NIC over USB3.0 on the market already(for a while):
<a href="http:&#x2F;&#x2F;www.amazon.com&#x2F;Network-Adapter-Anker-Ethernet-Supporting&#x2F;dp&#x2F;B00NOP70EC" rel="nofollow">http:&#x2F;&#x2F;www.amazon.com&#x2F;Network-Adapter-Anker-Ethernet-Support...</a>