I still contend that the Canucks are better off signing Gudbranson to a long term deal, while dealing Hutton for another RHD.
With Juolevi, Edler, and a returing Tryamkin (will happen at some point btw), the Canucks have enough depth on the left side as far as Top 4 LHD's go (both short term and long term). Guys like Pouliot, Del Zotto, etc, give the Canucks some depth on that side.
The right side however is a tire fire/gong show. Outside of Tanev, we have no one there. Biega and Stecher are both 7th defenseman, while Guds is a solid 3rd pairing guy with a unique skill set (physicality, intangibles, etc.).
Sign Gudbranson long term, and trade Hutton for another RHD. Voila - the Canucks have decent depth on both sides.
At the 2018 draft, the Canucks then draft a RHD. When said RHD develops, you can then move Tanev.
Del Zotto and Stecher get punted off a cliff and into the sea (for picks).