Oh, I know. You have notification-daemon installed, and /usr/share/dbus-1/services/org.freedesktop.Notifications.service doesn't check for the "guest-restricted" session. This needs to be fixed there.
Oh, I know. You have notification-daemon installed, and /usr/share/ dbus-1/ services/ org.freedesktop .Notifications. service doesn't check for the "guest-restricted" session. This needs to be fixed there.