5.11 Kernel on ubuntu 20.10

What is the output of:

lsb_release -a; uname -a; apt-cache policy linux-image-generic

Thanks

No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.10
Release: 20.10
Codename: groovy

-----------------------------------------
Linux system76x 5.11.0-7612-generic #13~1616168001~20.10~cf74746~dev-Ubuntu SMP Mon Mar 29 18:00:06 x86_64 x86_64 x86_64 GNU/Linux

-----------------------------------------
linux-image-generic:
  Installed: 5.11.0.7612.13~1616168001~20.10~cf74746~dev
  Candidate: 5.11.0.7612.13~1616168001~20.10~cf74746~dev
  Version table:
 *** 5.11.0.7612.13~1616168001~20.10~cf74746~dev 1001
       1001 http://ppa.launchpad.net/system76-dev/stable/ubuntu groovy/main amd64 Packages
        100 /var/lib/dpkg/status
     5.8.0.48.53 500
        500 http://us.archive.ubuntu.com/ubuntu groovy-updates/main amd64 Packages
        500 http://security.ubuntu.com/ubuntu groovy-security/main amd64 Packages
     5.8.0.25.30 500
        500 http://us.archive.ubuntu.com/ubuntu groovy/main amd64 Packages

Then you have added a PPA. If you have questions about packages from a PPA then I suggest you contact the PPA maintainers. The kernel for your release from the official repositories is 5.8. If you start adding additional package sources then you may get different versions of things and we cannot guarantee their contents.