Started Unicast Maintenance Ranging - No Response received - T3 time-out

I'm getting numerous modem issues per day. Can anybody tell me what I should look for? This is a Netgear modem.

Here is my log:

2019-08-08, 08:42:27 Warning (5) DHCP WARNING - Non-critical field invalid in response ;CM-MAC=14:59:c0:f5:f4:10;CMTS-MAC=00:a2:89:d0:1d:ce;CM-QOS=1.1;CM-VER=3.1;
2019-08-08, 08:42:22 Notice (6) Honoring MDD; IP provisioning mode = IPv4
2019-08-08, 08:42:08 Critical (3) Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=14:59:c0:f5:f4:10;CMTS-MAC=00:a2:89:d0:1d:ce;CM-QOS=1.1;CM-VER=3.1;
2019-08-08, 08:41:58 Critical (3) Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=14:59:c0:f5:f4:10;CMTS-MAC=00:a2:89:d0:1d:ce;CM-QOS=1.1;CM-VER=3.1;
2019-08-08, 08:41:58 Critical (3) Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=14:59:c0:f5:f4:10;CMTS-MAC=00:a2:89:d0:1d:ce;CM-QOS=1.1;CM-VER=3.1;
2019-08-08, 08:41:54 Critical (3) Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=14:59:c0:f5:f4:10;CMTS-MAC=00:a2:89:d0:1d:ce;CM-QOS=1.1;CM-VER=3.1;
2019-08-08, 08:41:53 Critical (3) Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=14:59:c0:f5:f4:10;CMTS-MAC=00:a2:89:d0:1d:ce;CM-QOS=1.1;CM-VER=3.1;
2019-08-08, 08:39:18 Critical (3) Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=14:59:c0:f5:f4:10;CMTS-MAC=00:a2:89:d0:1d:ce;CM-QOS=1.1;CM-VER=3.1;
2019-08-08, 07:42:32 Notice (6) CM-STATUS message sent. Event Type Code: 1; Chan ID: 159 ; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=14:59:c0:f5:f4:10;CMTS-MAC=00:a2:89:d0:1d:ce;CM-QOS=1.1;CM-VER=3.1;