┌──(kali㉿localhost)-[~]
└─$ sudo modprobe v4l2loopback
modprobe: FATAL: Module v4l2loopback not found in directory /lib/modules/6.12.13-amd64
┌──(kali㉿localhost)-[~]
└─$ sudo apt install linux-headers-$(uname -r)
Error: Unable to locate package linux-headers-6.12.13-amd64
Error: Couldn’t find any package by glob ‘linux-headers-6.12.13-amd64’