Thanks for the help!
We try to use engine-setup --offline and get during execution:
[ERROR] It seems that you are running your engine inside of the hosted-engine VM and are
not in "Global Maintenance" mode. In that case you should put the system into
the "Global Maintenance" mode before running engine-setup, or the hosted-engine
HA agent might kill the machine, which might corrupt your data.
[ERROR] Failed to execute stage 'Setup validation': Hosted Engine setup detected,
but Global Maintenance is not set.
...
[ERROR] Execution of setup failed
We try "hosted-engine --set-maintenance --mode=global" and still after that we
get a message that the system is not put into maintenance mode