Is the activity section same as the log? Below what the log for when you change a channel. I changed the numbers to hide my IP. Let me know if you need any more info. I posted two examples from the log.
2018/07/28 19:09:55 [TNR] Opened connection to 1071A805 for ch4.1
2018/07/28 19:09:55 [HLS] Starting transcoder for channel 4.1 from 47.XXX.XXX.XXX (encoder=h264_mediacodecndk, resolution=720, deinterlacer=blend, bitrate=6000)
[hls @ 0x2024464c00] Timestamps are unset in a packet for stream 0. This is deprecated and will stop working in the future. Fix your code to set the timestamps properly
2018/07/28 19:12:30 [HLS] Stopping inactive session ch5.1-dANY-75b66e597db7 @ 58.284967s
2018/07/28 19:12:30 [TNR] Closed connection to 1071A805 for ch5.1
2018/07/28 19:12:44 [TNR] Opened connection to 1071A805 for ch5.1
2018/07/28 19:12:44 [HLS] Starting transcoder for channel 5.1 from 47.XXX.XXX.XXX (encoder=h264_mediacodecndk, resolution=720, deinterlacer=blend, bitrate=6000)
[hls @ 0x2dfa864c00] Timestamps are unset in a packet for stream 0. This is deprecated and will stop working in the future. Fix your code to set the timestamps properly