Unable to connect successfully, in different subnets

[xmlhp]

kvsClientMaster_side.log
viewr-side-log.txt

Run kvsWebrtcClientMaster on Linux and Viewer on Windows PC https://awslabs.github.io/amazon-kinesis-video-streams-webrtc-sdk-js/examples/index.html.
Linuxt and Windows PC are on different subnets.
Cannot successfully establish a connection.
Viewer: NAT Traversal: STUN/TURN
Use trickle ICE
kvsWebrtcClientMaster: configuration.iceTransportPolicy = ICE_TRANSPORT_POLICY_ALL;
Please help analyze how to establish a connection.

For the log of kvsWebrtcClientMaster, see: kvsClientMaster_side.log
For the log of Viewer, see: viewr-side-log.txt