DHCPv4 subnet selection (Kea 1.8.0)RelayedSet address for lookupTry incoming interfaceTry addressRelay address matches subnetRelay address matches shared networkCheck client classSet relay addressSet client addressSet source addressInterface matches subnetInterface matches shared networkCheck client classSet interface addressCheck subnet prefixCheck client classEntry pointTry RAI link selectTry subnet selection optionFound a subnetFound no subnetCallout subnet4_selectReturn a subnetReturn no subnetDrop queryrelayednot relayedno matchmatchno matchmatchcompatiblenot compatibletry the relay addresshas no relay addresshas no client addressno suitable addresshas a relay addresshas a client addresshas source address and use unicastno interfacematchno matchmarchno matchcompatiblenot compatiblehas an interface addressno interface addressmatchno matchcompatiblenot compatibleCONTINUE and subnet setSKIP or subnet not setDROP