README: Add a note regarding local candidates in Chrome

README

@@ -20,3 +20,11 @@ Application options:
 
   -u, --srt-uri=srt://address:port    SRT stream URI.
                                       Default: srt://127.0.0.1:7001?mode=listener.
+
+Known issues:
+
+* If you can't run WebRTC stream in Chrome and see the following error in
+the server's GStreamer log, check that chrome://flags/#enable-webrtc-hide-local-ips-with-mdns
+is set to Disabled:
+
+  gst_webrtc_ice_add_candidate:<webrtcice0> Could not parse candidate 'a=candidate:1578808102 1 udp 2113937151 c027ada1-0257-4ce1-af05-5d03a6b6a313.local 34134 typ host generation 0 ufrag lEVw network-cost 999'