On the Instant Pot, press the sauté button. If your Instant Pot can adjust the heat on sauté, then adjust heat to high, otherwise just leave it as is.
Add 1 T. olive oil or use olive oil mister and heat until hot.
Sauté onions, garlic, carrots and celery for about 5-10 minutes until onions start to brown. Mixture may begin sticking to pot. Add wine. Cook about 2 minutes, stirring constantly.
Turn off Instant Pot . Add chicken, chicken feet, parmesan rinds, herbs, 1 T. kosher salt, peppercorns, a few grinds of pepper, bay leaves, turnip and parsley.
Depending on the size of your Instant Pot (6qt or 8 qt), add as much water as you can, leaving at least 2 inches from the top.
Put the lid on, set to sealing, push manual and set for 30 minutes. If your chicken is slightly frozen in middle set for 40 minutes.
When done, allow to natural release for 10 minutes, then release steam.
Remove chicken and debone, save for another use.
Pour broth through a colander or strainer and discard the cooked vegetables.
Taste and season accordingly. Pack in vacuum sealed bags and store in freezer.