ubuntu@localhost:~$ snap install snappyv310_3.10.0_amd64.snap 
64.41 MB / 64.75 MB [=====================================================================================>_] 99.46 % 7.83 MB/s 

error: cannot perform the following tasks:
- Mount snap "snappyv310" (cannot install kernel: cannot read kernel snap details: open /snap/snappyv310/x1/meta/kernel.yaml: no such file or directory)
ubuntu@localhost:~$ ls -la /snap/snappyv310/x1/meta/
total 1
drwxrwxr-x 2 root root  32 Jul 12 12:31 .
drwxrwxr-x 4 root root 215 Jul 12 12:31 ..
-rw-rw-r-- 1 root root 376 Jul 12 12:31 snap.yaml
ubuntu@localhost:~$ cat /snap/snappyv310/x1/meta/snap.yaml 
architectures:
- amd64
confinement: strict
description: This is a generic kernel for amd64 / kvm built using x86_64_defconfig
  plus the minimal snappy config changes
dtbs: dtbs
firmware: lib/firmware
initrd: initrd.img
kernel: vmlinuz
modules: lib/modules/3.10.101-snappy_v3.10+
name: snappyv310
summary: A generic amd64 kernel built from source
type: kernel
version: 3.10.0