This is my modem log any ideas for a solution to my random DC's

Time Priority Code Description 1970-01-01 00:01:15 3-Critical D001.0 DHCP FAILED - Discover sent, no offer received 1970-01-01 00:00:56 3-Critical R004.0 Received Response to Broadcast Maintenance Request, But no Unicast Maintenance o 1970-01-01 00:00:24 3-Critical R005.0 Started Unicast Maintenance Ranging - No Response received - T3 time-out 1970-01-01 00:00:08 3-Critical R002.0 No Ranging Response received - T3 time-out (US 3) 1970-01-01 00:00:07 6-Notice M571.1 Ethernet link up - ready to pass packets 1970-01-01 00:00:17 3-Critical D001.0 DHCP FAILED - Discover sent, no offer received 1970-01-01 00:00:15 6-Notice M571.1 Ethernet link up - ready to pass packets 1970-01-01 00:00:03 6-Notice M571.4 Ethernet link dormant - not currently active 1970-01-01 00:00:21 3-Critical D001.0 DHCP FAILED - Discover sent, no offer received 1970-01-01 00:00:02 6-Notice M571.1 Ethernet link up - ready to pass packets 2009-08-07 11:17:58 3-Critical R005.0 Started Unicast Maintenance Ranging - No Response received - T3 time-out 1970-01-01 00:01:15 3-Critical D001.0 DHCP FAILED - Discover sent, no offer received 1970-01-01 00:00:55 3-Critical R004.0 Received Response to Broadcast Maintenance Request, But no Unicast Maintenance o 1970-01-01 00:00:23 3-Critical R005.0 Started Unicast Maintenance Ranging - No Response received - T3 time-out 1970-01-01 00:00:12 6-Notice M571.1 Ethernet link up - ready to pass packets 1970-01-01 00:00:12 3-Critical R005.0 Started Unicast Maintenance Ranging - No Response received - T3 time-out 1970-01-01 00:00:06 3-Critical R002.0 No Ranging Response received - T3 time-out (US 2) 1970-01-01 00:00:02 6-Notice M571.4 Ethernet link dormant - not currently active 2009-08-04 21:23:11 6-Notice M571.1 Ethernet link up - ready to pass packets 2009-08-04 21:23:03 6-Notice M571.4 Ethernet link dormant - not currently active 2009-08-02 16:48:18 6-Notice M571.1 Ethernet link up - ready to pass packets 2009-08-02 16:47:56 6-Notice M571.4 Ethernet link dormant - not currently active 1970-01-01 00:00:25 3-Critical D001.0 DHCP FAILED - Discover sent, no offer received 1970-01-01 00:00:04 6-Notice M571.1 Ethernet link up - ready to pass packets