Consistently mark frame owners

src/avclan/cdchanger.cc

@@ -339,6 +339,7 @@ bool CDChanger::pending() { return cdtimer_pending(); }
 void CDChanger::resolvepending() { cdtimer_clear(); }
 
 void CDChanger::emit(Frame *out, uint16_t peripheral) {
+  out->owning_device = id; // so react() routes r_StateReport back here
   out->peripheral_addr = peripheral;
   generateStatus(out, false, Device::STATUS);
   out->reaction = r_StateReport;

src/avclan/peripheral.hpp

@@ -103,8 +103,11 @@ public:
         case PACK3(COMMUNICATION_V2, COMM_CTRL,
                    to_underlying(Advertise_Function)):
           ((Devs::id == static_cast<Device>(b3)
-            ? std::get<Devs>(devices_).enable(out),
-            0 : 0),
+            ? [&] {
+                out->owning_device = Devs::id;
+                std::get<Devs>(devices_).enable(out);
+              }()
+            : void()),
            ...);
           break;
         case PACK3(COMMUNICATION_V1, COMM_CTRL, to_underlying(Ping_Req)):