Fgtvm64kvmv747mbuild2731fortinetoutkvmqcow2 -

The string was not a password. It was not a seed key, nor was it a hash.

Understanding each component of the name helps in identifying the exact software version and compatibility: fgtvm64kvmv747mbuild2731fortinetoutkvmqcow2

Networking topologies and examples

Image name & version

Creating a VM with libvirt/virt-install