(BeagleBoneBlack)ubuntu@localhost:~$ sudo snappy list -v
Name        Date       Version Developer  
ubuntu-core 2015-07-23 129     ubuntu*    
ubuntu-core 2015-07-23 129     ubuntu     
beagleblack 2015-07-23 1.11    canonical* 
(BeagleBoneBlack)ubuntu@localhost:~$ sudo snappy update
Installing ubuntu-core (130)
Starting download of ubuntu-core
Applying update[/]
Apply done
Updating boot files
25.77 MB / 25.77 MB [===============================] 100.00 % 104.58 KB/s 4m12s
Done
can not find file /writable/cache/assets/vmlinuz
(BeagleBoneBlack)ubuntu@localhost:~$