BUG-362: add some diagnostic information

Changed Remote RPC Server Implementation to log an error when
host IP address is not found and stop itself. Earlier it would
raise exception that the configuration subsystem could not
handle.

Change-Id: I5ea843f8c1d86b5cd923081ff9ba82e94c29c4d2
Signed-off-by: Robert Varga <rovarga@cisco.com>
Signed-off-by: Abhishek Kumar <abhishk2@cisco.com>
Signed-off-by: Moiz Raja <moraja@cisco.com>