Log session timeout and connection drop

lib/soap.js

@@ -410,15 +410,13 @@ function fault(xml, cwmpVersion) {
 }
 
 
-function request(httpRequest, cwmpVersion, warn) {
+function request(data, cwmpVersion, warn) {
   warnings = warn;
 
   const rpc = {
     cwmpVersion: cwmpVersion
   };
 
-  const data = httpRequest.getBody();
-
   if (!data.length)
     return rpc;