T3 Timeouts causing service issue --> router losing gateway

event log:
Time Priority Description
06:21:14
Thu Jan 20 2022 Critical (3) Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=00:40:36:7c:72:3f;CMTS-MAC=00:01:5c:6b:e2:63;CM-QOS=1.1;CM-VER=3.1;
Time Not Established
Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=00:40:36:7c:72:3f;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;
Time Not Established
Critical (3) No Ranging Response received - T3 time-out;CM-MAC=00:40:36:7c:72:3f;CMTS-MAC=00:01:5c:6b:e2:63;CM-QOS=1.1;CM-VER=3.1;
Time Not Established
Notice (6) Honoring MDD; IP provisioning mode = IPv6
09:00:05
Thu Jan 20 2022 Notice (6) DS profile assignment change. DS Chan ID: 32; Previous Profile: ; New Profile: 1 2 3.;CM-MAC=00:40:36:7c:72:3f;CMTS-MAC=00:01:5c:6b:e2:63;CM-QOS=1.1;CM-VER=3.1;

/r/Comcast_Xfinity Thread