Marinated Octopus Salad

Name: Marinated Octopus Salad
Ingredients: 1⁄2 cup white wine vinegar; 1⁄2 cup fresh lemon juice; 2 tbsp. kosher salt, plus more to taste; 4 dried bay leaves; 1 lb. cleaned fresh or frozen and thawed baby octopus, each cut into 5 pieces; 1⁄2 cup extra-virgin olive oil, plus more to taste; 1 tsp. dried oregano, preferably Greek; 1 clove garlic, minced; Freshly ground black pepper, to taste; Mixed salad greens, for serving