ogra@styx:~/Devel/images/snappy$ sudo snap remove ubuntu-device-flash

ubuntu-device-flash removed
ogra@styx:~/Devel/images/snappy$ sudo snap install ubuntu-device-flash --edge --devmode
2.75 MB / 3.02 MB [====================================================================================>_________] 91.06 % 1.05 MB/s 

error: cannot perform the following tasks:
- Setup snap "ubuntu-device-flash" (5) security profiles (cannot setup apparmor for snap "ubuntu-device-flash": cannot load apparmor profile "snap.ubuntu-device-flash.ubuntu-device-flash": cannot load apparmor profile: exit status 10
apparmor_parser output:
)
- Setup snap "ubuntu-device-flash" (5) security profiles (cannot load apparmor profile "snap.ubuntu-device-flash.ubuntu-device-flash": cannot load apparmor profile: exit status 10
apparmor_parser output:
)
ogra@styx:~/Devel/images/snappy$