refs: #5157 Change-Id: Id0f77789976bd84720d2f96b549013b285e58978
RoutingTable and NamePrefixTable consume the signal and behave accordingly. refs: #4127 Change-Id: I6540f30f0222f804b01dc7d9640831c84e5264cc
refs: #5139 Change-Id: If043a618106633de8d1414c81dddf29af6576dff