Thanks Strahil, I think I we found the relevent error in logs:
[ 00:03 ] Make the engine aware that the external VM is stopped
[ 00:01 ] Wait for the local bootstrap VM to be down at engine eyes
[ 00:02 ] Remove bootstrap external VM from the engine
[ 00:04 ] Remove ovirt-engine-appliance rpm
[ < 1 sec ] Include custom tasks for after setup customization
[ < 1 sec ] Include Host vars
[ FAILED ] Set Engine public key as authorized key without validating the TLS/SSL
certificates
2021-05-11 11:15:34,420+0200 DEBUG ansible on_any args
<ansible.executor.stats.AggregateStats object at 0x7fd4c0e6e9b0> kwargs
[root@hej1 ~]# cat
/var/log/ovirt-hosted-engine-setup/ovirt-hosted-engine-setup-ansible-create_target_vm-20210511110328-fcgvwi.log
Can you recognize an issue you know from all the info I have provided, do I need to dig
further?