at least with this , you should have an ISO to install on VM , also if you are able to get this ISO, same container can be used to create a new ISO with different kernel .
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies:
vyos-1x-vmware : Depends: vyos-1x but it is not going to be installed
vyos-world : Depends: vyos-1x but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
P: Begin unmounting filesystems...
P: Saving caches...
Reading package lists...
Building dependency tree...
Reading state information...
make: *** [Makefile:32: iso] Error 1
Error: Process completed with exit code 2.