Comment 2 for bug 1896348

From Apttermlog:

Setting up bcmwl-kernel-source (6.30.223.271+bdcom-0ubuntu6) ...
Loading new bcmwl-6.30.223.271+bdcom DKMS files...
Building for 5.4.0-47-generic 5.8.0-18-generic
Building for architecture x86_64
Building initial module for 5.4.0-47-generic
ERROR (dkms apport): kernel package linux-headers-5.4.0-47-generic is not supported
Error! Application of patch 0028-add-support-for-linux-5.6.patch failed.
Check /var/lib/dkms/bcmwl/6.30.223.271+bdcom/build/ for more information.
dpkg: error processing package bcmwl-kernel-source (--configure):
 installed bcmwl-kernel-source package post-installation script subprocess returned error exit status 6