Instant Pot Coq au Vin

Name: Instant Pot Coq au Vin
Ingredients: 4 chicken legs (thigh and drumstick); Kosher salt, freshly ground pepper; 2 cups dry white wine; 1 bunch thyme, divided; 4 oz. thick-cut bacon, cut crosswise into ¾ pieces; 8 oz. shiitake mushrooms, stems removed, caps torn into 3 pieces; 4 Tbsp. unsalted butter, divided; 8 oz. carrots, peeled, cut crosswise into 4 pieces; 4 shallots, peeled; 2 garlic cloves, smashed; 2 Tbsp. white wine vinegar; 1 Tbsp. all-purpose flour; Handful of chopped parsley; An Instant Pot or pressure cooker