Well, I can't say I precisely approve of him killing them . . . on the other hand, I can't blame the man. I'd probably do the same thing. Though I suspect they have a very different attitude towards dogs in Sibera . . . walking into a friend's house, killing their pet (or even their livestock) and chowing down is considered exceedingly rude in every culture I can think of. Maybe not a home invasion, but very, very, very rude. It would be rude even where they routinely eat dogs and if they were actually his 'friends' then they certainly should have known that dog wasn't food.
And yes, if I came in to find someone eating Sarama, they would find that kukuri I have is in fact NOT ornamental . . .