Merge pull request #1111 from overheat/embassy_net_readme

fix net README.md

embassy-net/README.md

@@ -17,11 +17,13 @@ sudo ip -6 route add fe80::/64 dev tap0
 sudo ip -6 route add fdaa::/64 dev tap0
 ```
 
+Second, have something listening there. For example `nc -l 8000`
+
 Then run the example located in the `examples` folder:
 
 ```sh
 cd $EMBASSY_ROOT/examples/std/
-cargo run --bin net
+cargo run --bin net -- --static-ip
 ```
 
 ## License