The log is showing only a notification the service is starting, once a boot.
I’ve installade Mir using the standard procedure (snap install) then i’ve:
systemctl service enable mir-kiosk.service
otherwise the kiosk doesn’t start at boot.
@saviq: regarding Core, we are also using many Core based machines, but in this specific case we are facing an esotic touch screen display (resistive) that needs a custom driver, so before to try to integrate it in a Core image we have to do a lot of more test. For the more standard cases (touch display with capacitive technology and kernel embedded drivers) we are using usally Core