Still waiting on snap-confine to land (it is in xenial-proposed)-- you can install snap-confine and ubuntu-core-launcher from https://launchpad.net/ubuntu/+source/snap-confine/1.0.38-0ubuntu0.16.04.4 and it will work.
Still waiting on snap-confine to land (it is in xenial-proposed)-- you can install snap-confine and ubuntu- core-launcher from https:/ /launchpad. net/ubuntu/ +source/ snap-confine/ 1.0.38- 0ubuntu0. 16.04.4 and it will work.