minor

system/src/system_network_manager.cpp

@@ -782,6 +782,12 @@ int NetworkManager::enableInterface(if_t iface) {
 }
 
 int NetworkManager::disableInterface(if_t iface, network_disconnect_reason reason) {
+    // XXX: This method is only called on platforms with multiple network interfaces
+    // if there are multiple active network interfaces, so 'reason' will always contain
+    // NETWORK_DISCONNECT_REASON_USER. While disabling a non-primary network interface
+    // will not in fact result in a logical disconnect, it might still be a good idea
+    // to log a user request here. We can revise this behavior later.
+    NetworkDiagnostics::instance()->disconnectionReason(reason);
     // Special case - disable all
     if (iface == nullptr) {
         populateInterfaceRuntimeState(false);