in roscpp_azure_iothub/src/ros_azure_iothub_cpp_node.cpp [657:662]
static void DeinitializeAzureIoTHub(ROS_Azure_IoT_Hub* iotHub)
{
ROS_INFO("Deinitializing IoTHub Device client");
IoTHubDeviceClient_Destroy(iotHub->deviceHandle);
IoTHub_Deinit();
}