What did Viking beer taste like?

What did Viking beer taste like? The resulting brew was syrupy, mostly unfiltered, not pasteurised, and would have a yeast-ish taste, only countered by the taste of juniper berries and herbs added to it (hops might also be used, but were not the primary flavor as they are today).

The resulting brew was syrupy, mostly unfiltered, not pasteurised, and would have a yeast-ish taste, only countered by the taste of juniper berries and herbs added to it (hops might also be used, but were not the primary flavor as they are today).