v4l2loopback-dkms

• DKMS package: v4l2loopback-dkms

# Load loopback device temporarely
modprobe v4l2loopback exclusive_caps=1 max_buffers=2
lsmod | grep v4l2loopback

# /etc/modules-load.d/v4l2loopback.conf
v4l2loopback

# /etc/modprobe.d/v4l2loopback.conf
options v4l2loopback exclusive_caps=1 max_buffers=2 width=1920 height=1080