Same problem for me on Ubuntu 16.04.3 with 4.10.0-37 generic kernel, when following these steps, the wifi device is working, but it break at each kernel upgrade :
https://blog.danielscrivano.com/installing-rtl8812au-on-linux-for-wireless-dual-band-usb-adapters/
Waiting for a fix in the official repository :/
Same problem for me on Ubuntu 16.04.3 with 4.10.0-37 generic kernel,
when following these steps, the wifi device is working, but it break at each kernel upgrade :
https:/ /blog.danielscr ivano.com/ installing- rtl8812au- on-linux- for-wireless- dual-band- usb-adapters/
Waiting for a fix in the official repository :/