Ragout de Pattes de Cochon (Pork Shank and Meatball Stew)

Name: Ragout de Pattes de Cochon (Pork Shank and Meatball Stew)
Prep time: 40 min
Cook time: 2 h 47 min
Total time: 3 h 27 min
Cuisine: European, Mediterranean, French
Ingredients: 1 tablespoon coarse sea salt, or to taste; ½ teaspoon ground cinnamon; ¼ teaspoon ground cloves; ¼ teaspoon ground black pepper; ⅛ teaspoon ground nutmeg; ⅛ teaspoon garlic salt; 2 pork shanks; 2 tablespoons olive oil; water to cover; 1 large onion, cut into chunks; 1 stalk celery, coarsely chopped; 1 ½ pounds ground pork; 1 small onion, finely chopped; 2 tablespoons chopped fresh parsley; ¼ teaspoon ground cinnamon; ¼ teaspoon ground cloves; ¼ teaspoon ground ginger; ¼ teaspoon mustard powder; ¼ teaspoon salt; ¼ teaspoon ground black pepper; ⅔ cup toasted flour; 2 tablespoons olive oil