What is said about Arya's father in the conversation she overhears while she is sword training in the Red Keep?

Arya overhears Varys tell another man that when Eddard learns the truth, he will want justice for Bran. Varys also says that Eddard could be an obstacle in a plot to begin a war against the Lannisters or even against the king himself.

In the conversation Arya overhears while training in the Red Keep, it's revealed that her father, Eddard Stark, is seen as honorable but naive by the court. This moment emphasizes the dangerous political landscape and shapes Arya's understanding of her family's struggles in King's Landing.