Braised Turkey Legs

Name: Braised Turkey Legs
Ingredients: 2 skin-on, bone-in turkey drumsticks (about 1½ pounds); 2 skin-on, bone-in turkey thighs (about 2 pounds); Kosher salt and freshly ground black pepper; 2 tablespoons vegetable oil; 1 medium onion, chopped; 2 large leeks, white and pale-green parts only, chopped; 6 celery stalks, thinly sliced; 8 cloves garlic cloves, crushed; 1½ cups dry white wine; 4 sprigs flat-leaf parsley, plus ½ cup chopped leaves; 4 sprigs thyme; 2 sprigs sage; 6 cups low-sodium chicken broth; 8 small carrots, tops trimmed to ½ inch, carrots halved lengthwise; ¼ cup chopped fresh chives