oh, my /proc/cmdline contains: BOOT_IMAGE=/boot/vmlinuz-6.5.0-28-generic root=UUID=0a928e5f-d8c1-4b2a-9d12-b6d814efcf42 ro apparmor=0
oh, my /proc/cmdline contains: /boot/vmlinuz- 6.5.0-28- generic root=UUID= 0a928e5f- d8c1-4b2a- 9d12-b6d814efcf 42 ro apparmor=0
BOOT_IMAGE=