Problem solved. When I noticed that LMS would detect my SqueezePlay or
SqueezePad as clients, and it's only the Chromecasts that were not
found, I dove into the Chromecast Bridge settings. And yes, that one did
have a "Network binding and port" setting that allowed me to force my
hardware
My LMS runs on a Windows machine that serves multiple purposes. Over the
weekend, I played around with Home Assistant and had it installed on
that server in a VM using VirtualBox. Since then, LMS is not finding any
of my players anymore.
I noticed that VirtualBox creates a virtual network
