I have exactly the same Issue.
13:59:29.520: [rtmp stream: 'adv_stream'] bitrate increased to: 4500, waiting
13:59:44.467: [rtmp stream: 'adv_stream'] bitrate decreased to: 4400
13:59:45.261: [rtmp stream: 'adv_stream'] bitrate decreased to: 1500
14:00:15.261: [rtmp stream: 'adv_stream'] bitrate increased to: 2100, waiting
14:00:45.261: [rtmp stream: 'adv_stream'] bitrate increased to: 2700, waiting
14:01:15.272: [rtmp stream: 'adv_stream'] bitrate increased to: 3300, waiting
14:01:34.937: [rtmp stream: 'adv_stream'] bitrate decreased to: 3000
14:02:04.950: [rtmp stream: 'adv_stream'] bitrate increased to: 3600, waiting
14:02:34.959: [rtmp stream: 'adv_stream'] bitrate increased to: 4200, waiting
14:02:58.957: [rtmp stream: 'adv_stream'] going back to prev bitrate
14:02:58.957: [rtmp stream: 'adv_stream'] bitrate decreased to: 3600
14:03:28.961: [rtmp stream: 'adv_stream'] bitrate increased to: 4200, waiting
14:03:33.011: [rtmp stream: 'adv_stream'] bitrate decreased to: 4100
14:04:03.025: [rtmp stream: 'adv_stream'] bitrate increased to: 4700, waiting
14:04:13.408: [rtmp stream: 'adv_stream'] bitrate decreased to: 4500
14:04:18.140: [rtmp stream: 'adv_stream'] bitrate decreased to: 4200
14:04:48.145: [rtmp stream: 'adv_stream'] bitrate increased to: 4800, waiting
14:05:00.540: [rtmp stream: 'adv_stream'] bitrate decreased to: 4700
14:05:30.560: [rtmp stream: 'adv_stream'] bitrate increased to: 5300, waiting
14:06:00.561: [rtmp stream: 'adv_stream'] bitrate increased to: 5900, waiting
14:06:03.022: [rtmp stream: 'adv_stream'] going back to prev bitrate
14:06:03.022: [rtmp stream: 'adv_stream'] bitrate decreased to: 5300
14:06:03.892: [rtmp stream: 'adv_stream'] bitrate decreased to: 5200
14:06:09.534: [rtmp stream: 'adv_stream'] bitrate decreased to: 4700
14:06:10.811: [rtmp stream: 'adv_stream'] bitrate decreased to: 1100
14:06:40.820: [rtmp stream: 'adv_stream'] bitrate increased to: 1700, waiting
14:07:10.826: [rtmp stream: 'adv_stream'] bitrate increased to: 2300, waiting
14:07:40.827: [rtmp stream: 'adv_stream'] bitrate increased to: 2900, waiting
14:16:56.232: Settings changed (advanced)
14:16:56.232: ------------------------------------------------
14:21:38.331: ==== Shutting down ==================================================
14:21:38.358: Switched to scene '(null)'
14:21:38.361: [game-capture: 'Gaming'] capture stopped
14:21:38.376: WASAPI: Device 'Lautsprecher (2- Logitech G933 Gaming Headset)' Terminated
14:21:38.386: WASAPI: Device 'Mikrofon (2- Logitech G933 Gaming Headset)' Terminated
14:21:38.392: All scene data cleared
14:21:38.392: ------------------------------------------------
The last about 30 Minutes of the Protocol