Add support for TCP port reuse (same tuple6 but different ISN) in session manager: evict old session and create new session

src/session/session_transition.h

@@ -29,8 +29,11 @@ enum session_inputs
     // session table full evict
     LRU_EVICT = 1 << 7,
 
+    // port reuse evict
+    PORT_REUSE_EVICT = 1 << 8,
+
     // user close
-    USER_CLOSE = 1 << 8,
+    USER_CLOSE = 1 << 9,
 };
 
 void session_transition_init();