United manager Ole Gunnar Solskjaer later branded the first minutes as "chaos" and Hangeland didn't hold back when commentating for TV2.
He said, "It borders on embarrassing. Unacceptable. The start United made is unworthy of such a club.
"After all, you must be ready when the fight begins. They meet a bottom team fighting for life in the league. The start is almost incomprehensible."
United eventually won 3-0 and Solskjaer told VG: "Our start was total chaos.
"The chance we gave them with (Harry) Maguire and (Nemanja) Matic ... Had we let in that goal, after we conceded against Club Brugge, they would have been two disastrous goals..."