https://https://youtu.be/q9naT02259c Starting from 1. 40 mins onwards. Its clear that he is talking about being let down without mentioning Ivanovic directly. He admits being punished and it was his mistake of not taking him off simply because he chose to trust and believe in him.
Hmm we already knew that Lukaku struggles to keep his mouth shut. The question asked was about Lukaku not having contact with Mourinho for the last two months. Jose tone and mannerism suggests all things are not well, there is some friction...