VLOG_DEFINE_THIS_MODULE(netdev);
+COVERAGE_DEFINE(netdev_received);
+COVERAGE_DEFINE(netdev_sent);
+COVERAGE_DEFINE(netdev_add_router);
+COVERAGE_DEFINE(netdev_get_stats);
+
static struct shash netdev_classes = SHASH_INITIALIZER(&netdev_classes);
/* All created network devices. */