INFO: setup
Package:    sys-kernel/vanilla-sources-6.9.0:6.9.0
Repository: gentoo
Maintainer: kernel@gentoo.org
USE:        abi_x86_64 amd64 elibc_glibc kernel_linux
FEATURES:   preserve-libs sandbox userpriv usersandbox
>>> Preparing to unpack ...
INFO: install
>>> Copying sources ...
Final size of build directory: 1584344 KiB (1.5 GiB)
Final size of installed tree:  1584344 KiB (1.5 GiB)
LOG: postinst
If you are upgrading from a previous kernel, you may be interested
in the following document:
  - General upgrade guide: https://wiki.gentoo.org/wiki/Kernel/Upgrade
WARN: postinst
vanilla-sources is UNSUPPORTED by Gentoo Security.
This means that it is likely to be vulnerable to recent security issues.
Upstream kernel developers recommend always running the latest 
release of any current long term supported Linux kernel version.
To see a list of these versions, their most current release and 
long term support status, please go to https://www.kernel.org .
For specific information on why this kernel is unsupported, please read:
https://wiki.gentoo.org/wiki/Project:Kernel_Security
QA: other
QA Notice: Unrecognized ELF file(s):

	UNKNOWN_TYPE;/usr/src/linux-6.9.0/tools/testing/selftests/tc-testing/action-ebpf;;;;

QA Notice: RESTRICT=binchecks prevented checks on these ELF files:
/usr/src/linux-6.9.0/tools/testing/selftests/tc-testing/action-ebpf