network_bus.go
func (networkBus *NetworkBus) Stop() {
	service := networkBus.service
	if service.started {
		service.wg.Done()
		service.started = false
	}
}
func (networkBus *NetworkBus) Stop() {
	service := networkBus.service
	if service.started {
		service.wg.Done()
		service.started = false
	}
}
// Stop - signal for the service to stop serving