Friend got me an interview for her current position. How to navigate me potentially not getting it without awkwardness?

I'm looking at roles in a company where my friend works. I had a first round interview for one position, but my friend is moving on and heavily encouraged me to apply to her role. I don't think I'm qualified-the interview is more a formality because I'm her friend. How do I navigate me probably not getting it without awkwardness?

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