This is an alternative approach to
https://listman.redhat.com/archives/libguestfs/2023-January/030535.html
After discussing this with Dan Berrange we came to the conclusion that
you really might want to set LISTEN_FDNAMES to arbitrary short strings
(or not set it). Especially when talking to qemu-storage-daemon which
would allow you to use these names on the command line.
Rich.