Ok, the implementation unintentional "also" covers systems without working systemd.
There it will look like:
Setting up qemu-user-static (1:3.1+dfsg-2ubuntu3.5~ppa1) ...
System has not been booted with systemd as init system (PID 1). Can't operate.
Failed to connect to bus: Host is down
Which is ok, it tried to check if it is up but failed.
So it considers it as "better not go forward" which is the correct thing to do.
Ok, the implementation unintentional "also" covers systems without working systemd.
There it will look like:
Setting up qemu-user-static (1:3.1+ dfsg-2ubuntu3. 5~ppa1) ...
System has not been booted with systemd as init system (PID 1). Can't operate.
Failed to connect to bus: Host is down
Which is ok, it tried to check if it is up but failed.
So it considers it as "better not go forward" which is the correct thing to do.