Comment 4 for bug 1730255

I can confirm this btw:

$ id
uid=1001(jamie-test) gid=1001(jamie-test) groups=1001(jamie-test)

$ journalctl
Hint: You are currently not seeing messages from other users and the system.
      Users in the 'systemd-journal' group can see all messages. Pass -q to
      turn off this notice.
No journal files were opened due to insufficient permissions.

$ curl -s --unix-socket /run/snapd.socket http://localhost/v2/logs|jq
{
  "timestamp": "2017-11-09T13:00:10.409213Z",
  "message": "UDEV [47902.395905] remove /kernel/slab/:t-0000512/cgroup/kmalloc-512(5427:snap-repair.service) (cgroup)",
  "sid": "test-udevadm.udevadm-monitor",
  "pid": "4375"
}