From the log:
2022/01/22 15:06:36.200177 [TNR] Closed connection to TVE-Spectrum for ch6003 KPIX
2022/01/22 17:43:55.831147 [TVE] stream timestamps: cbs: start_at=2022-01-22T17:42:47-08:00 current_at=2022-01-22T17:42:59-08:00 end_at=2022-01-22T17:43:11-08:00
2022/01/22 17:43:55.831229 [TNR] Opened connection to TVE-Spectrum for ch6003 KPIX
2022/01/22 17:44:03.077056 [TNR] Closed connection to TVE-Spectrum for ch6003 KPIX
2022/01/22 17:44:25.125699 [ERR] Could not start stream for TVE-Spectrum ch6002 KTVU: TVE: Post "https://sp.auth.adobe.com/adobe-services/authorize": context deadline exceeded (Client.Timeout exceeded while awaiting headers)
2022/01/22 18:05:42.659386 [ERR] Failed to start stream for ch6002: TVE: Post "https://sp.auth.adobe.com/adobe-services/authorize": context deadline exceeded (Client.Timeout exceeded while awaiting headers)
2022/01/22 18:05:43.730919 [HLS] Couldn't generate stream playlist for ch6002-dANY-ip192.168.10.155: TVE: Post "https://sp.auth.adobe.com/adobe-services/authorize": context deadline exceeded (Client.Timeout exceeded while awaiting headers)
2022/01/22 18:05:43.731008 [HLS] Stopping transcoder session ch6002-dANY-ip192.168.10.155
2022/01/22 18:06:00.456996 [HLS] Stopping transcoder session ch6002-dANY-ip192.168.10.155
2022/01/22 18:06:04.717507 [ERR] Failed to start stream for ch6002: TVE: Post "https://sp.auth.adobe.com/adobe-services/authorize": context deadline exceeded (Client.Timeout exceeded while awaiting headers)
2022/01/22 18:08:41.602006 [ERR] Failed to start stream for ch6011: TVE: authz: 400 Bad Request
2022/01/22 18:08:42.169409 [HLS] Couldn't generate stream playlist for ch6011-dANY-ip192.168.10.155: TVE: authz: 400 Bad Request
2022/01/22 18:08:42.169499 [HLS] Stopping transcoder session ch6011-dANY-ip192.168.10.155
2022/01/22 18:08:55.556223 [HLS] Stopping transcoder session ch6011-dANY-ip192.168.10.155
2022/01/22 18:09:03.167298 [ERR] Failed to start stream for ch6011: TVE: Post "https://sp.auth.adobe.com/adobe-services/authorize": context deadline exceeded (Client.Timeout exceeded while awaiting headers)