Comment 2 for bug 1758211

Sorry for the trouble, James. A reboot is the most trivial workaround, and the fix is being released.

We got bitten by a misbehavior in systemd, which got hidden due to lack of testing for double updates (update, and update again on itself).

Here are the details:

https://bugs.launchpad.net/ubuntu/+source/snapd/+bug/1756793