sudo ubuntu-device-flash core rolling --developer-mode --channel edge --oem ./generic-amd64_1.1_all.snap --enable-ssh -o outputamd64.img
Determining oem configuration
2015/04/22 03:10:54 Signature check failed, but installing anyway as requested
Fetching information from server...
Downloading and setting up...
Installing ./generic-amd64_1.1_all.snap
2015/04/22 03:11:08 Signature check failed, but installing anyway as requested
Installing hello-world.jdstrand
Starting download of hello-world.jdstrand
31.66 KB / 31.66 KB [==============================================================================================] 100.00 % 571.77 KB/s 
Done
2015/04/22 03:11:08 WARNING: [sc-filtergen --include-policy-dir=/tmp/diskimage493450045/system/var/lib/snappy/seccomp --policy-vendor=ubuntu-core --policy-version=15.04 --template=default --policy-groups=networking] failed
2015/04/22 03:11:08 Warning: failed to remove /tmp/diskimage493450045/system/apps/hello-world.jdstrand/1.5: %!s(<nil>)
2015-04-22 01:11:08 ERROR snappy logger.go:199 hello-world.jdstrand failed to install: exec: "sc-filtergen": executable file not found in $PATH
hello-world.jdstrand failed to install: exec: "sc-filtergen": executable file not found in $PATH