*** This bug is a duplicate of bug 2068107 ***
https://bugs.launchpad.net/bugs/2068107
** This bug has been marked a duplicate of bug 2068107
package linux-headers- failed to install/upgrade:
installed linux-headers- package post-installation script subprocess
returned error exit status
*** This bug is a duplicate of bug 2068107 ***
https://bugs.launchpad.net/bugs/2068107
This is not a bug with the kernel. The problem is with a 3rd party
module: rtl8821cu
"dkms autoinstall on 6.11.0-19-generic/x86_64 failed for rtl8821CU(10)"
You need to update rtl8821cu module from whereve