I have did limited searching on google and this forum, but haven't found a applicable

[ABMJR]

Your on Comcast and are operational but no Public IP, And the modem re-boots.

This is where you are 169'ed

mot_scanList: Writing to Flash!
NonVolDeviceDriver::NonVolDriverWrite: WARNING - Current segment size < buffer size! Increasing the segment size!
BcmCmDocsisStatusEventCodes::kCmIsOperational
Suspending SNMP Thread
0x007254c0 [CmDocsisCtlThread] BcmVendorCmApplication::StopDhcpServer: (VendorExtension CmApp) Shutting down DHCP Server...