I had a similar problem -- the "pairs and connects fine but then fails later" sounds very much like https://bugs.archlinux.org/task/68346 https://bugs.archlinux

I had a similar problem -- the "pairs and connects fine but then fails later" sounds very much like https://bugs.archlinux.org/task/68346 https://bugs.archlinux.org/task/68346, which is now fixed!