This bug was fixed in the package v4l2loopback - 0.12.5-1ubuntu4
--------------- v4l2loopback (0.12.5-1ubuntu4) jammy; urgency=medium
* Only attempt building module for kernels that have CONFIG_VIDEO_V4L2 turned on. LP: #1968191
-- Dimitri John Ledkov <email address hidden> Thu, 07 Apr 2022 16:37:40 +0100
This bug was fixed in the package v4l2loopback - 0.12.5-1ubuntu4
---------------
v4l2loopback (0.12.5-1ubuntu4) jammy; urgency=medium
* Only attempt building module for kernels that have CONFIG_VIDEO_V4L2
turned on. LP: #1968191
-- Dimitri John Ledkov <email address hidden> Thu, 07 Apr 2022 16:37:40 +0100