Comment 2 for bug 2019834

Secure boot / kernel lockdown test passed:

ubuntu@jammysecure:~$ uname -a
Linux jammysecure 6.2.0-1005-aws #5~22.04.1-Ubuntu SMP Thu Jun 1 02:50:47 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux
ubuntu@jammysecure:~$ sudo dmesg | grep lockdown
[ 0.000000] Kernel is locked down from EFI Secure Boot mode; see man kernel_lockdown.7
[ 0.295726] LSM: initializing lsm=lockdown,capability,landlock,yama,integrity,apparmor
[ 1.605038] Lockdown: swapper/0: hibernation is restricted; see man kernel_lockdown.7
ubuntu@jammysecure:~$ cat /sys/kernel/security/lockdown
none [integrity] confidentiality