elopio@calchas:/media/elopio/vms/images/snappy/bbb$ sudo ubuntu-device-flash --verbose core rolling --channel edge --oem beagleblack --developer-mode -o ubuntu-snappy-rolling-edge-armhf-bbb.img
Determining oem configuration
beagleblack failed to install: Get https://public.apps.ubuntu.com/anon/download/canonical/beagleblack.canonical/beagleblack.canonical_1.12_all.snap: net/http: TLS handshake timeout