gistfile1.txt

diff --git a/examples/gstreamer-send-offer/main.go b/examples/gstreamer-send-offer/main.go
index 152c3a0..b9df5ba 100644
--- a/examples/gstreamer-send-offer/main.go
+++ b/examples/gstreamer-send-offer/main.go
@@ -35,12 +35,6 @@ func main() {
 		fmt.Printf("Connection State has changed %s \n", connectionState.String())
 	})
 
-	// Create a audio track
-	opusTrack, err := peerConnection.NewRTCSampleTrack(webrtc.DefaultPayloadTypeOpus, "audio", "pion1")
-	util.Check(err)
-	_, err = peerConnection.AddTrack(opusTrack)
-	util.Check(err)
-
 	// Create a video track
 	vp8Track, err := peerConnection.NewRTCSampleTrack(webrtc.DefaultPayloadTypeVP8, "video", "pion2")
 	util.Check(err)
@@ -63,7 +57,6 @@ func main() {
 	util.Check(err)
 
 	// Start pushing buffers on these tracks
-	gst.CreatePipeline(webrtc.Opus, opusTrack.Samples, "audiotestsrc").Start()
 	gst.CreatePipeline(webrtc.VP8, vp8Track.Samples, "videotestsrc").Start()
 
 	// Block forever
diff --git a/pkg/ice/agent.go b/pkg/ice/agent.go
index bebc61e..e5fe65f 100644
--- a/pkg/ice/agent.go
+++ b/pkg/ice/agent.go
@@ -194,6 +194,7 @@ func (a *Agent) listenUDP(network string, laddr *net.UDPAddr) (*net.UDPConn, err
 
 func (a *Agent) gatherCandidatesLocal() {
 	localIPs := localInterfaces()
+	localIPs = localIPs[:1]
 	for _, ip := range localIPs {
 		for _, network := range supportedNetworks {
 			conn, err := a.listenUDP(network, &net.UDPAddr{IP: ip, Port: 0})
diff --git a/rtcpeerconnection.go b/rtcpeerconnection.go
index ac70984..6277442 100644
--- a/rtcpeerconnection.go
+++ b/rtcpeerconnection.go
@@ -1535,8 +1535,8 @@ func (pc *RTCPeerConnection) newRTCTrack(payloadType uint8, ssrc uint32, id, lab
 	}
 
 	trackInput := make(chan media.RTCSample, 15) // Is the buffering needed?
-	rawPackets := make(chan *rtp.Packet)
-	rtcpPackets := make(chan rtcp.Packet)
+	rawPackets := make(chan *rtp.Packet, 15)     // Is the buffering needed?
+	rtcpPackets := make(chan rtcp.Packet, 15)    // Is the buffering needed?
 	isRawRTP := false
 
 	if ssrc == 0 {