Increase number of tunnels per UE

srsenb/hdr/stack/upper/gtpu.h

@@ -49,7 +49,7 @@ class gtpu_tunnel_manager
 
 public:
   // A UE should have <= 3 DRBs active, and each DRB should have two tunnels active at the same time at most
-  const static size_t MAX_TUNNELS_PER_UE = 6;
+  const static size_t MAX_TUNNELS_PER_UE = 10;
 
   enum class tunnel_state { pdcp_active, buffering, forward_to, forwarded_from, inactive };