WebRTC的chrome调试（二）
整体流程
transceiverAdded
Caused by: addTrack
getTransceivers()[0]:{
mid:null,
sender:{
track:‘default’,
streams:[‘fJvopgwnNgS7VT09EGTIPmbXNcuuWk203Bf9’],
},
receiver:{
track:‘a82c7f19-290d-4748-a895-c1613e3da215’,
streams:[],
},
stopped:false,
direction:‘sendrecv’,
currentDirection:null,
}
transceiverAdded
Caused by: addTrack
getTransceivers()[1]:{
mid:null,
sender:{
track:‘67ff389851af681e63e82d9228cb6709b3d4a2c05bed255ea93fe8cceb3d61e3’,
streams:[‘fJvopgwnNgS7VT09EGTIPmbXNcuuWk203Bf9’],
},
receiver:{
track:‘540bb7f9-95fc-4b86-9eb3-e53d25144b46’,
streams:[],
},
stopped:false,
direction:‘sendrecv’,
currentDirection:null,
}
createOffer
options: {offerToReceiveVideo: 0, offerToReceiveAudio: 0, voiceActivityDetection: true, iceRestart: false}
negotiationneeded
negotiationneeded
createOfferOnSuccess
type: offer, sdp: v=0
o=- 5543542152419686224 2 IN IP4 127.0.0.1
s=-
t=0 0
a=group:BUNDLE 0 1
a=msid-semantic: WMS fJvopgwnNgS7VT09EGTIPmbXNcuuWk203Bf9
m=audio 9 UDP/TLS/RTP/SAVPF 111 103 104 9 0 8 106 105 13 110 112 113 126
c=IN IP4 0.0.0.0
a=rtcp:9 IN IP4 0.0.0.0
a=ice-ufrag:rLym
a=ice-pwd:fz4aEoFvZN0unkgzxHI6uLNt
a=ice-options:trickle
a=fingerprint:sha-256 15:66:A9:D5:49:6E:08:DD:F6:FC:95:B3:C9:33:B9:95:A6:CD:14:51:DC:95:21:D8:17:07:C8:F3:1D:FC:BB:DD
a=setup:actpass
a=mid:0
a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level
a=extmap:2 http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01
a=extmap:3 urn:ietf:params:rtp-hdrext:sdes:mid
a=extmap:4 urn:ietf:params:rtp-hdrext:sdes:rtp-stream-id
a=extmap:5 urn:ietf:params:rtp-hdrext:sdes:repaired-rtp-stream-id
a=sendonly
a=msid:fJvopgwnNgS7VT09EGTIPmbXNcuuWk203Bf9 3be31d28-7688-4aae-a372-5350e31cf669
a=rtcp-mux
a=rtpmap:111 opus/48000/2
a=rtcp-fb:111 transport-cc
a=fmtp:111 minptime=10;useinbandfec=1
a=rtpmap:103 ISAC/16000
a=rtpmap:104 ISAC/32000
a=rtpmap:9 G722/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:106 CN/32000
a=rtpmap:105 CN/16000
a=rtpmap:13 CN/8000
a=rtpmap:110 telephone-event/48000
a=rtpmap:112 telephone-event/32000
a=rtpmap:113 telephone-event/16000
a=rtpmap:126 telephone-event/8000
a=ssrc:2252230447 cname:S/n3Q+4dC2NQvql9
a=ssrc:2252230447 msid:fJvopgwnNgS7VT09EGTIPmbXNcuuWk203Bf9 3be31d28-7688-4aae-a372-5350e31cf669
a=ssrc:2252230447 mslabel:fJvopgwnNgS7VT09EGTIPmbXNcuuWk203Bf9
a=ssrc:2252230447 label:3be31d28-7688-4aae-a372-5350e31cf669
m=video 9 UDP/TLS/RTP/SAVPF 96 97 98 99 100 101 102 122 127 121 125 107 108 109 124 120 123 119 114 115 116
c=IN IP4 0.0.0.0
a=rtcp:9 IN IP4 0.0.0.0
a=ice-ufrag:rLym
a=ice-pwd:fz4aEoFvZN0unkgzxHI6uLNt
a=ice-options:trickle
a=fingerprint:sha-256 15:66:A9:D5:49:6E:08:DD:F6:FC:95:B3:C9:33:B9:95:A6:CD:14:51:DC:95:21:D8:17:07:C8:F3:1D:FC:BB:DD
a=setup:actpass
a=mid:1
a=extmap:14 urn:ietf:params:rtp-hdrext:toffset
a=extmap:13 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time
a=extmap:12 urn:3gpp:video-orientation
a=extmap:2 http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01
a=extmap:11 http://www.webrtc.org/experiments/rtp-hdrext/playout-delay
a=extmap:6 http://www.webrtc.org/experiments/rtp-hdrext/video-content-type
a=extmap:7 http://www.webrtc.org/experiments/rtp-hdrext/video-timing
a=extmap:8 http://tools.ietf.org/html/draft-ietf-avtext-framemarking-07
a=extmap:9 http://www.webrtc.org/experiments/rtp-hdrext/color-space
a=extmap:3 urn:ietf:params:rtp-hdrext:sdes:mid
a=extmap:4 urn:ietf:params:rtp-hdrext:sdes:rtp-stream-id
a=extmap:5 urn:ietf:params:rtp-hdrext:sdes:repaired-rtp-stream-id
a=sendonly
a=msid:fJvopgwnNgS7VT09EGTIPmbXNcuuWk203Bf9 c31ad935-3ff9-49e0-a5f0-140c3b2a15c0
a=rtcp-mux
a=rtcp-rsize
a=rtpmap:96 VP8/90000
a=rtcp-fb:96 goog-remb
a=rtcp-fb:96 transport-cc
a=rtcp-fb:96 ccm fir
a=rtcp-fb:96 nack
a=rtcp-fb:96 nack pli
a=rtpmap:97 rtx/90000
a=fmtp:97 apt=96
a=rtpmap:98 VP9/90000
a=rtcp-fb:98 goog-remb
a=rtcp-fb:98 transport-cc
a=rtcp-fb:98 ccm fir
a=rtcp-fb:98 nack
a=rtcp-fb:98 nack pli
a=fmtp:98 profile-id=0
a=rtpmap:99 rtx/90000
a=fmtp:99 apt=98
a=rtpmap:100 VP9/90000
a=rtcp-fb:100 goog-remb
a=rtcp-fb:100 transport-cc
a=rtcp-fb:100 ccm fir
a=rtcp-fb:100 nack
a=rtcp-fb:100 nack pli
a=fmtp:100 profile-id=2
a=rtpmap:101 rtx/90000
a=fmtp:101 apt=100
a=rtpmap:102 H264/90000
a=rtcp-fb:102 goog-remb
a=rtcp-fb:102 transport-cc
a=rtcp-fb:102 ccm fir
a=rtcp-fb:102 nack
a=rtcp-fb:102 nack pli
a=fmtp:102 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42001f
a=rtpmap:122 rtx/90000
a=fmtp:122 apt=102
a=rtpmap:127 H264/90000
a=rtcp-fb:127 goog-remb
a=rtcp-fb:127 transport-cc
a=rtcp-fb:127 ccm fir
a=rtcp-fb:127 nack
a=rtcp-fb:127 nack pli
a=fmtp:127 level-asymmetry-allowed=1;packetization-mode=0;profile-level-id=42001f
a=rtpmap:121 rtx/90000
a=fmtp:121 apt=127
a=rtpmap:125 H264/90000
a=rtcp-fb:125 goog-remb
a=rtcp-fb:125 transport-cc
a=rtcp-fb:125 ccm fir
a=rtcp-fb:125 nack
a=rtcp-fb:125 nack pli
a=fmtp:125 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42e01f
a=rtpmap:107 rtx/90000
a=fmtp:107 apt=125
a=rtpmap:108 H264/90000
a=rtcp-fb:108 goog-remb
a=rtcp-fb:108 transport-cc
a=rtcp-fb:108 ccm fir
a=rtcp-fb:108 nack
a=rtcp-fb:108 nack pli
a=fmtp:108 level-asymmetry-allowed=1;packetization-mode=0;profile-level-id=42e01f
a=rtpmap:109 rtx/90000
a=fmtp:109 apt=108
a=rtpmap:124 H264/90000
a=rtcp-fb:124 goog-remb
a=rtcp-fb:124 transport-cc
a=rtcp-fb:124 ccm fir
a=rtcp-fb:124 nack
a=rtcp-fb:124 nack pli
a=fmtp:124 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=4d0032
a=rtpmap:120 rtx/90000
a=fmtp:120 apt=124
a=rtpmap:123 H264/90000
a=rtcp-fb:123 goog-remb
a=rtcp-fb:123 transport-cc
a=rtcp-fb:123 ccm fir
a=rtcp-fb:123 nack
a=rtcp-fb:123 nack pli
a=fmtp:123 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=640032
a=rtpmap:119 rtx/90000
a=fmtp:119 apt=123
a=rtpmap:114 red/90000
a=rtpmap:115 rtx/90000
a=fmtp:115 apt=114
a=rtpmap:116 ulpfec/90000
a=ssrc-group:FID 2423351979 1369679133
a=ssrc:2423351979 cname:S/n3Q+4dC2NQvql9
a=ssrc:2423351979 msid:fJvopgwnNgS7VT09EGTIPmbXNcuuWk203Bf9 c31ad935-3ff9-49e0-a5f0-140c3b2a15c0
a=ssrc:2423351979 mslabel:fJvopgwnNgS7VT09EGTIPmbXNcuuWk203Bf9
a=ssrc:2423351979 label:c31ad935-3ff9-49e0-a5f0-140c3b2a15c0
a=ssrc:1369679133 cname:S/n3Q+4dC2NQvql9
a=ssrc:1369679133 msid:fJvopgwnNgS7VT09EGTIPmbXNcuuWk203Bf9 c31ad935-3ff9-49e0-a5f0-140c3b2a15c0
a=ssrc:1369679133 mslabel:fJvopgwnNgS7VT09EGTIPmbXNcuuWk203Bf9
a=ssrc:1369679133 label:c31ad935-3ff9-49e0-a5f0-140c3b2a15c0
setLocalDescription
type: offer, sdp: v=0
o=- 5543542152419686224 2 IN IP4 127.0.0.1
s=-
t=0 0
a=msid-semantic: WMS fJvopgwnNgS7VT09EGTIPmbXNcuuWk203Bf9
a=group:BUNDLE 0 1
m=audio 9 UDP/TLS/RTP/SAVPF 111 103 104 9 0 8 106 105 13 110 112 113 126
c=IN IP4 0.0.0.0
a=rtpmap:111 opus/48000/2
a=rtpmap:103 ISAC/16000
a=rtpmap:104 ISAC/32000
a=rtpmap:9 G722/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:106 CN/32000
a=rtpmap:105 CN/16000
a=rtpmap:13 CN/8000
a=rtpmap:110 telephone-event/48000
a=rtpmap:112 telephone-event/32000
a=rtpmap:113 telephone-event/16000
a=rtpmap:126 telephone-event/8000
a=fmtp:111 minptime=10;useinbandfec=1
a=rtcp:9 IN IP4 0.0.0.0
a=rtcp-fb:111 transport-cc
a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level
a=extmap:5 http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01
a=setup:actpass
a=mid:0
a=sendonly
a=ice-ufrag:rLym
a=ice-pwd:fz4aEoFvZN0unkgzxHI6uLNt
a=fingerprint:sha-256 15:66:A9:D5:49:6E:08:DD:F6:FC:95:B3:C9:33:B9:95:A6:CD:14:51:DC:95:21:D8:17:07:C8:F3:1D:FC:BB:DD
a=ice-options:trickle
a=ssrc:2252230447 cname:S/n3Q+4dC2NQvql9
a=ssrc:2252230447 msid:fJvopgwnNgS7VT09EGTIPmbXNcuuWk203Bf9 3be31d28-7688-4aae-a372-5350e31cf669
a=ssrc:2252230447 mslabel:fJvopgwnNgS7VT09EGTIPmbXNcuuWk203Bf9
a=ssrc:2252230447 label:3be31d28-7688-4aae-a372-5350e31cf669
a=rtcp-mux
m=video 9 UDP/TLS/RTP/SAVPF 96 97 98 99 100 101 102 122 127 121 125 107 108 109 124 120 123 119 114 115 116
c=IN IP4 0.0.0.0
b=AS:1000
a=rtpmap:96 VP8/90000
a=rtpmap:97 rtx/90000
a=rtpmap:98 VP9/90000
a=rtpmap:99 rtx/90000
a=rtpmap:100 VP9/90000
a=rtpmap:101 rtx/90000
a=rtpmap:102 H264/90000
a=rtpmap:122 rtx/90000
a=rtpmap:127 H264/90000
a=rtpmap:121 rtx/90000
a=rtpmap:125 H264/90000
a=rtpmap:107 rtx/90000
a=rtpmap:108 H264/90000
a=rtpmap:109 rtx/90000
a=rtpmap:124 H264/90000
a=rtpmap:120 rtx/90000
a=rtpmap:123 H264/90000
a=rtpmap:119 rtx/90000
a=rtpmap:114 red/90000
a=rtpmap:115 rtx/90000
a=rtpmap:116 ulpfec/90000
a=fmtp:97 apt=96
a=fmtp:98 profile-id=0
a=fmtp:99 apt=98
a=fmtp:100 profile-id=2
a=fmtp:101 apt=100
a=fmtp:102 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42001f
a=fmtp:122 apt=102
a=fmtp:127 level-asymmetry-allowed=1;packetization-mode=0;profile-level-id=42001f
a=fmtp:121 apt=127
a=fmtp:125 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42e01f
a=fmtp:107 apt=125
a=fmtp:108 level-asymmetry-allowed=1;packetization-mode=0;profile-level-id=42e01f
a=fmtp:109 apt=108
a=fmtp:124 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=4d0032
a=fmtp:120 apt=124
a=fmtp:123 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=640032
a=fmtp:119 apt=123
a=fmtp:115 apt=114
a=rtcp:9 IN IP4 0.0.0.0
a=rtcp-fb:96 goog-remb
a=rtcp-fb:96 transport-cc
a=rtcp-fb:96 ccm fir
a=rtcp-fb:96 nack
a=rtcp-fb:96 nack pli
a=rtcp-fb:98 goog-remb
a=rtcp-fb:98 transport-cc
a=rtcp-fb:98 ccm fir
a=rtcp-fb:98 nack
a=rtcp-fb:98 nack pli
a=rtcp-fb:100 goog-remb
a=rtcp-fb:100 transport-cc
a=rtcp-fb:100 ccm fir
a=rtcp-fb:100 nack
a=rtcp-fb:100 nack pli
a=rtcp-fb:102 goog-remb
a=rtcp-fb:102 transport-cc
a=rtcp-fb:102 ccm fir
a=rtcp-fb:102 nack
a=rtcp-fb:102 nack pli
a=rtcp-fb:127 goog-remb
a=rtcp-fb:127 transport-cc
a=rtcp-fb:127 ccm fir
a=rtcp-fb:127 nack
a=rtcp-fb:127 nack pli
a=rtcp-fb:125 goog-remb
a=rtcp-fb:125 transport-cc
a=rtcp-fb:125 ccm fir
a=rtcp-fb:125 nack
a=rtcp-fb:125 nack pli
a=rtcp-fb:108 goog-remb
a=rtcp-fb:108 transport-cc
a=rtcp-fb:108 ccm fir
a=rtcp-fb:108 nack
a=rtcp-fb:108 nack pli
a=rtcp-fb:124 goog-remb
a=rtcp-fb:124 transport-cc
a=rtcp-fb:124 ccm fir
a=rtcp-fb:124 nack
a=rtcp-fb:124 nack pli
a=rtcp-fb:123 goog-remb
a=rtcp-fb:123 transport-cc
a=rtcp-fb:123 ccm fir
a=rtcp-fb:123 nack
a=rtcp-fb:123 nack pli
a=extmap:3 urn:ietf:params:rtp-hdrext:toffset
a=extmap:2 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time
a=extmap:4 urn:3gpp:video-orientation
a=extmap:5 http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01
a=extmap:6 http://www.webrtc.org/experiments/rtp-hdrext/playout-delay
a=setup:actpass
a=mid:1
a=sendonly
a=ice-ufrag:rLym
a=ice-pwd:fz4aEoFvZN0unkgzxHI6uLNt
a=fingerprint:sha-256 15:66:A9:D5:49:6E:08:DD:F6:FC:95:B3:C9:33:B9:95:A6:CD:14:51:DC:95:21:D8:17:07:C8:F3:1D:FC:BB:DD
a=ice-options:trickle
a=ssrc:2423351979 cname:S/n3Q+4dC2NQvql9
a=ssrc:2423351979 msid:fJvopgwnNgS7VT09EGTIPmbXNcuuWk203Bf9 c31ad935-3ff9-49e0-a5f0-140c3b2a15c0
a=ssrc:2423351979 mslabel:fJvopgwnNgS7VT09EGTIPmbXNcuuWk203Bf9
a=ssrc:2423351979 label:c31ad935-3ff9-49e0-a5f0-140c3b2a15c0
a=ssrc:1369679133 cname:S/n3Q+4dC2NQvql9
a=ssrc:1369679133 msid:fJvopgwnNgS7VT09EGTIPmbXNcuuWk203Bf9 c31ad935-3ff9-49e0-a5f0-140c3b2a15c0
a=ssrc:1369679133 mslabel:fJvopgwnNgS7VT09EGTIPmbXNcuuWk203Bf9
a=ssrc:1369679133 label:c31ad935-3ff9-49e0-a5f0-140c3b2a15c0
a=ssrc-group:FID 2423351979 1369679133
a=rtcp-mux
transceiverModified
Caused by: setLocalDescription
getTransceivers()[0]:{
mid:‘0’,
sender:{
track:‘default’,
streams:[‘fJvopgwnNgS7VT09EGTIPmbXNcuuWk203Bf9’],
},
receiver:{
track:‘a82c7f19-290d-4748-a895-c1613e3da215’,
streams:[],
},
stopped:false,
direction:‘sendonly’,
currentDirection:null,
}
transceiverModified
Caused by: setLocalDescription
getTransceivers()[1]:{
mid:‘1’,
sender:{
track:‘67ff389851af681e63e82d9228cb6709b3d4a2c05bed255ea93fe8cceb3d61e3’,
streams:[‘fJvopgwnNgS7VT09EGTIPmbXNcuuWk203Bf9’],
},
receiver:{
track:‘540bb7f9-95fc-4b86-9eb3-e53d25144b46’,
streams:[],
},
stopped:false,
direction:‘sendonly’,
currentDirection:null,
}
signalingstatechange
have-local-offer
setLocalDescriptionOnSuccess
icegatheringstatechange
gathering
icecandidate (host)
sdpMid: 0, sdpMLineIndex: 0, candidate: candidate:2266814597 1 udp 2122262783 2001:2::aab1:9461:76b2:89f4:96c8 57425 typ host generation 0 ufrag rLym network-id 1
icecandidate (host)
sdpMid: 0, sdpMLineIndex: 0, candidate: candidate:757127407 1 udp 2122194687 169.254.240.142 51516 typ host generation 0 ufrag rLym network-id 2
icecandidate (host)
sdpMid: 0, sdpMLineIndex: 0, candidate: candidate:1920437264 1 udp 2122129151 192.168.11.124 62849 typ host generation 0 ufrag rLym network-id 3
setRemoteDescription
type: answer, sdp: v=0
o=- 0 0 IN IP4 127.0.0.1
s=NGRTC
t=0 0
a=msid-semantic: WMS XuiDiQDI6q
a=group:BUNDLE 0 1
m=audio 1 UDP/TLS/RTP/SAVPF 111
c=IN IP4 0.0.0.0
a=rtpmap:111 opus/48000/2
a=fmtp:111 minptime=10;useinbandfec=1
a=rtcp:1 IN IP4 0.0.0.0
a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level
a=setup:active
a=mid:0
a=recvonly
a=ice-ufrag:QzL1
a=ice-pwd:UX6f4inuI305No7S2dfcyi
a=fingerprint:sha-256 B9:9C:E8:D8:12:41:B3:89:EB:7D:06:23:8E:A3:34:CF:37:BF:4F:54:EA:DB:F0:0A:2C:9A:1C:26:F6:45:AC:65
a=candidate:1 1 udp 2013266431 47.94.247.30 50323 typ host generation 0
a=ice-options:trickle
a=rtcp-mux
m=video 1 UDP/TLS/RTP/SAVPF 125 114
c=IN IP4 0.0.0.0
b=AS:1000
a=rtpmap:125 H264/90000
a=rtpmap:114 red/90000
a=fmtp:125 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42e01f
a=rtcp:1 IN IP4 0.0.0.0
a=rtcp-fb:125 ccm fir
a=rtcp-fb:125 nack
a=rtcp-fb:125 nack pli
a=rtcp-fb:125 goog-remb
a=extmap:3 urn:ietf:params:rtp-hdrext:toffset
a=extmap:2 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time
a=extmap:4 urn:3gpp:video-orientation
a=extmap:6 http://www.webrtc.org/experiments/rtp-hdrext/playout-delay
a=setup:active
a=mid:1
a=recvonly
a=ice-ufrag:QzL1
a=ice-pwd:UX6f4inuI305No7S2dfcyi
a=fingerprint:sha-256 B9:9C:E8:D8:12:41:B3:89:EB:7D:06:23:8E:A3:34:CF:37:BF:4F:54:EA:DB:F0:0A:2C:9A:1C:26:F6:45:AC:65
a=candidate:1 1 udp 2013266431 47.94.247.30 50323 typ host generation 0
a=rtcp-mux
transceiverModified
Caused by: setRemoteDescription
getTransceivers()[0]:{
mid:‘0’,
sender:{
track:‘default’,
streams:[‘fJvopgwnNgS7VT09EGTIPmbXNcuuWk203Bf9’],
},
receiver:{
track:‘a82c7f19-290d-4748-a895-c1613e3da215’,
streams:[],
},
stopped:false,
direction:‘sendonly’,
currentDirection:‘sendonly’,
}
transceiverModified
Caused by: setRemoteDescription
getTransceivers()[1]:{
mid:‘1’,
sender:{
track:‘67ff389851af681e63e82d9228cb6709b3d4a2c05bed255ea93fe8cceb3d61e3’,
streams:[‘fJvopgwnNgS7VT09EGTIPmbXNcuuWk203Bf9’],
},
receiver:{
track:‘540bb7f9-95fc-4b86-9eb3-e53d25144b46’,
streams:[],
},
stopped:false,
direction:‘sendonly’,
currentDirection:‘sendonly’,
}
signalingstatechange
stable
setRemoteDescriptionOnSuccess
iceconnectionstatechange
checking
icecandidate (host)
sdpMid: 0, sdpMLineIndex: 0, candidate: candidate:3382649973 1 tcp 1518283007 2001:2::aab1:9461:76b2:89f4:96c8 9 typ host tcptype active generation 0 ufrag rLym network-id 1
icecandidate (host)
sdpMid: 0, sdpMLineIndex: 0, candidate: candidate:1671635999 1 tcp 1518214911 169.254.240.142 9 typ host tcptype active generation 0 ufrag rLym network-id 2
icecandidate (host)
sdpMid: 0, sdpMLineIndex: 0, candidate: candidate:1022652640 1 tcp 1518149375 192.168.11.124 9 typ host tcptype active generation 0 ufrag rLym network-id 3
icegatheringstatechange
complete
icegatheringstatechange
connected
icegatheringstatechange
completed