When Libvirt NAT Goes Rogue: A Tale of Fedora, Firewalls, and Virtual Mayhem
Like any sensible cybersecurity professional with entirely normal hobbies, I occasionally spin up a small digital nation-state of VMs on my Fedora desktop. Usually they behave. Usually. Then one day, without warning, they staged a coordinated rebellion. This post chronicles how my Fedora workstation decided to reinvent network segmentation, how libvirt lost its memory of…