ubuntu@localhost:~$ snappy known list
Name                   Date       Version      Developer 
canonical-dragon       2016-02-12 0.7.1        canonical 
canonical-dragon-linux 2016-03-15 IPAIJHReTMLK sideload  
ubuntu-core            2016-03-15 IPAIJIIJHeDL sideload  
2016/03/15 14:08:31.229390 kernel_os.go:167: can not get boot settings: cannot determine bootloader
2016/03/15 14:08:31.229803 kernel_os.go:167: can not get boot settings: cannot determine bootloader
ubuntu@localhost:~$ sudo reboot