wget https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.12.5/amd64/linux-headers-5.12.5-051205-generic_5.12.5-051205.202105190541_amd64.deb
wget https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.12.5/amd64/linux-headers-5.12.5-051205_5.12.5-051205.202105190541_all.deb
wget https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.12.5/amd64/linux-image-unsigned-5.12.5-051205-generic_5.12.5-051205.202105190541_amd64.deb
wget https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.12.5/amd64/linux-modules-5.12.5-051205-generic_5.12.5-051205.202105190541_amd64.deb
sudo dpkg -i linux*.deb