/* Removes the 'eth*addr' environment variable with the given index */
static void remove_ethaddr_env_var(int index)
/* Removes the 'eth*addr' environment variable with the given index */
static void remove_ethaddr_env_var(int index)
{
	char env_var_name[9];
	sprintf(env_var_name, index == 0 ? "ethaddr" : "eth%daddr", index);
	env_set(env_var_name, NULL);
}