I'm getting this on one of my remote servers now too. It started a couple of days ago. It happens more on streams I'm trying to pull from my HD-HomeRun from one server to the other.
2021/03/31 10:15:45.929700 [TNR] Opened connection to M3U-Xfinity- HDHomeRun for ch402 CBS
2021/03/31 10:15:45.929953 [DVR] Recording for job 1617210000-ch402 from M3U-Xfinity- HDHomeRun ch402 into "TV/The Price Is Right/The Price Is Right S49E86 2021-03-31-1015.mpg" for 44m19.361864454s
2021/03/31 10:15:46.184901 [IDX] Generating video index for job 1617210000-ch402
2021/03/31 10:19:01.068685 [ERR] Error during stream M3U-Xfinity- HDHomeRun ch402 CBS: Failed to download file: http://x. x.x.x:8089/devices/13245C3B/channels/1002/hls/stream.m3u8/stream154.ts?abitrate=128&acodec=aac&bitrate=2000& deinterlacer=blend&indexed=true&level=40&resolution=720&ssize=1&vcodec=h264: Get "http://x.x.x.x:8089/devices/13245C3B/ channels/1002/hls/stream.m3u8/stream154.ts?abitrate=128&acodec=aac&bitrate=2000&deinterlacer=blend&indexed=true&level=40& resolution=720&ssize=1&vcodec=h264": context canceled
2021/03/31 10:19:01.145941 [MTS] Statistics for "TV/The Price Is Right/The Price Is Right S49E86 2021-03-31-1015.mpg": skipped=0 unhandled_packets=0 discontinuity_detected=0 transport_errors=0 invalid_pts=0 invalid_dts=0 saw_pcr=true saw_pmt=true highest_pts=174.136022
2021/03/31 10:19:01.192278 [TNR] Closed connection to M3U-Xfinity- HDHomeRun for ch402 CBS
2021/03/31 10:19:01.192311 [DVR] Job 1617210000-ch402 The Price Is Right ended prematurely: 40m58.807695099s
2021/03/31 10:19:01.236185 [DVR] Starting job 1617210000-ch402 The Price Is Right on ch=[402]
2021/03/31 10:19:01.236251 [DVR] Waiting 4h40m28.763754108s until next job 1617227970-5 Dr. Phil
2021/03/31 10:19:01.483849 [TNR] Opened connection to M3U-Xfinity- HDHomeRun for ch402 CBS
2021/03/31 10:19:01.483961 [DVR] Recording for job 1617210000-ch402 from M3U-Xfinity- HDHomeRun ch402 into "TV/The Price Is Right/The Price Is Right S49E86 2021-03-31-1015.mpg" for 40m58.763724132s
2021/03/31 10:25:20.698439 [ERR] Error during stream M3U-Xfinity- HDHomeRun ch402 CBS: Failed to download file: http://x. x.x.x:8089/devices/13245C3B/channels/1002/hls/stream.m3u8/stream467.ts?abitrate=128&acodec=aac&bitrate=2000& deinterlacer=blend&indexed=true&level=40&resolution=720&ssize=1&vcodec=h264: Get "http://x.x.x.x:8089/devices/13245C3B/ channels/1002/hls/stream.m3u8/stream467.ts?abitrate=128&acodec=aac&bitrate=2000&deinterlacer=blend&indexed=true&level=40& resolution=720&ssize=1&vcodec=h264": context canceled
2021/03/31 10:25:20.777802 [MTS] Statistics for "TV/The Price Is Right/The Price Is Right S49E86 2021-03-31-1015.mpg": skipped=0 unhandled_packets=0 discontinuity_detected=0 transport_errors=0 invalid_pts=0 invalid_dts=0 saw_pcr=true saw_pmt=true highest_pts=1499.627622
2021/03/31 10:25:20.851820 [TNR] Closed connection to M3U-Xfinity- HDHomeRun for ch402 CBS
2021/03/31 10:25:20.851857 [DVR] Job 1617210000-ch402 The Price Is Right ended prematurely: 34m39.148148998s
2021/03/31 10:25:20.901855 [DVR] Starting job 1617210000-ch402 The Price Is Right on ch=[402]
2021/03/31 10:25:20.901924 [DVR] Waiting 4h34m9.098081898s until next job 1617227970-5 Dr. Phil
2021/03/31 10:25:21.165001 [TNR] Opened connection to M3U-Xfinity- HDHomeRun for ch402 CBS
2021/03/31 10:25:21.165170 [DVR] Recording for job 1617210000-ch402 from M3U-Xfinity- HDHomeRun ch402 into "TV/The Price Is Right/The Price Is Right S49E86 2021-03-31-1015.mpg" for 34m39.098051194s
2021/03/31 10:31:48.549932 [ERR] Error during stream M3U-Xfinity- HDHomeRun ch402 CBS: Failed to download file: http://x. x.x.x:8089/devices/13245C3B/channels/1002/hls/stream.m3u8/stream779.ts?abitrate=128&acodec=aac&bitrate=2000& deinterlacer=blend&indexed=true&level=40&resolution=720&ssize=1&vcodec=h264: Get "http://x.x.x.x:8089/devices/13245C3B/ channels/1002/hls/stream.m3u8/stream779.ts?abitrate=128&acodec=aac&bitrate=2000&deinterlacer=blend&indexed=true&level=40& resolution=720&ssize=1&vcodec=h264": context canceled
2021/03/31 10:31:48.621295 [MTS] Statistics for "TV/The Price Is Right/The Price Is Right S49E86 2021-03-31-1015.mpg": skipped=0 unhandled_packets=0 discontinuity_detected=0 transport_errors=0 invalid_pts=0 invalid_dts=0 saw_pcr=true saw_pmt=true highest_pts=1889.303311
2021/03/31 10:31:48.874417 [TNR] Closed connection to M3U-Xfinity- HDHomeRun for ch402 CBS
2021/03/31 10:31:48.874535 [DVR] Job 1617210000-ch402 The Price Is Right ended prematurely: 28m11.125477282s
2021/03/31 10:31:49.037966 [DVR] Starting job 1617210000-ch402 The Price Is Right on ch=[402]
2021/03/31 10:31:49.038078 [DVR] Waiting 4h27m40.961935012s until next job 1617227970-5 Dr. Phil
2021/03/31 10:31:49.330869 [TNR] Opened connection to M3U-Xfinity- HDHomeRun for ch402 CBS
2021/03/31 10:31:49.331043 [DVR] Recording for job 1617210000-ch402 from M3U-Xfinity- HDHomeRun ch402 into "TV/The Price Is Right/The Price Is Right S49E86 2021-03-31-1015.mpg" for 28m10.96186438s
No error beyond that. I'm watching the outgoing bandwidth stream from my router and there seems to be no breakup. Any idea what the "Context Canceled" means?