Mitweb transparent mode on a Hyper-v VM with Windows 10?

Steps to reproduce the problem:
  1. Install Mitmproxy
  2. Install certificate through web page and put certificate into trusted root certificate authorities
  3. Run: mitmweb --mode transparent --listen-port 1081 --web-port 8081 --showhost
Any other comments? What have you tried so far?

The web page will load but no traffic is captured. If I open a browser (Edge I tested), no web pages are loaded. Lookes like it lost internet Connectivity.
What am I missing?mit

System information

Mitmproxy: 4.0.4
Python: 3.6.6
OpenSSL: OpenSSL 1.1.0i 14 Aug 2018
Platform: Windows-10-10-0.17763

Actually I cant get it to work on the host either… ? hm