He has been held in high esteem by his team mates and I would like to give him the best recommendations and wish him the best of luck in the future"' – Elfsborg head coach Magnus Haglund speaking about Gunnarsson leaving the club.
[7] On 5 January 2016, Gunnarsson joined Scottish Championship side Hibernian on loan until the end of the 2015–16 season.
[citation needed] On 10 May 2018, he played as Djurgarden beat Malmö FF 3-0 in the Swedish Cup Final.
[15] Following Palermo's exclusion from the Serie B, he was released together with all other players, without making any single appearances during his short stay at the club.
[16] Gunnarsson received his first international call-up from the Norway national football team for friendly matches against Portugal and Belgium in May 2016.