doe's this help?

# grep BOOT /var/log/syslog

Feb 12 20:51:51 newcomer01-MS-7A40 kernel: [    0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-5.15.0-60-generic root=UUID=e1dad91c-4856-4394-a1fd-f440e57524c1 ro quiet splash vt.handoff=7
Feb 12 20:51:51 newcomer01-MS-7A40 kernel: [    0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-5.15.0-60-generic root=UUID=e1dad91c-4856-4394-a1fd-f440e57524c1 ro quiet splash vt.handoff=7
Feb 12 20:51:51 newcomer01-MS-7A40 kernel: [    0.000000] Unknown kernel command line parameters "splash BOOT_IMAGE=/boot/vmlinuz-5.15.0-60-generic", will be passed to user space.
Feb 12 20:51:51 newcomer01-MS-7A40 kernel: [    0.694284]     BOOT_IMAGE=/boot/vmlinuz-5.15.0-60-generic
Feb 13 07:54:28 newcomer01-MS-7A40 kernel: [    0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-5.15.0-60-generic root=UUID=e1dad91c-4856-4394-a1fd-f440e57524c1 ro quiet splash vt.handoff=7
Feb 13 07:54:28 newcomer01-MS-7A40 kernel: [    0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-5.15.0-60-generic root=UUID=e1dad91c-4856-4394-a1fd-f440e57524c1 ro quiet splash vt.handoff=7
Feb 13 07:54:28 newcomer01-MS-7A40 kernel: [    0.000000] Unknown kernel command line parameters "splash BOOT_IMAGE=/boot/vmlinuz-5.15.0-60-generic", will be passed to user space.
Feb 13 07:54:28 newcomer01-MS-7A40 kernel: [    0.691816]     BOOT_IMAGE=/boot/vmlinuz-5.15.0-60-generic
Feb 13 19:25:30 newcomer01-MS-7A40 kernel: [    0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-5.15.0-60-generic root=UUID=e1dad91c-4856-4394-a1fd-f440e57524c1 ro quiet splash vt.handoff=7
Feb 13 19:25:30 newcomer01-MS-7A40 kernel: [    0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-5.15.0-60-generic root=UUID=e1dad91c-4856-4394-a1fd-f440e57524c1 ro quiet splash vt.handoff=7
Feb 13 19:25:30 newcomer01-MS-7A40 kernel: [    0.000000] Unknown kernel command line parameters "splash BOOT_IMAGE=/boot/vmlinuz-5.15.0-60-generic", will be passed to user space.
Feb 13 19:25:30 newcomer01-MS-7A40 kernel: [    0.651217]     BOOT_IMAGE=/boot/vmlinuz-5.15.0-60-generic
Feb 14 08:17:55 newcomer01-MS-7A40 kernel: [    0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-5.15.0-60-generic root=UUID=e1dad91c-4856-4394-a1fd-f440e57524c1 ro quiet splash vt.handoff=7
Feb 14 08:17:55 newcomer01-MS-7A40 kernel: [    0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-5.15.0-60-generic root=UUID=e1dad91c-4856-4394-a1fd-f440e57524c1 ro quiet splash vt.handoff=7
Feb 14 08:17:55 newcomer01-MS-7A40 kernel: [    0.000000] Unknown kernel command line parameters "splash BOOT_IMAGE=/boot/vmlinuz-5.15.0-60-generic", will be passed to user space.
Feb 14 08:17:55 newcomer01-MS-7A40 kernel: [    0.648228]     BOOT_IMAGE=/boot/vmlinuz-5.15.0-60-generic
Feb 15 08:37:10 newcomer01-MS-7A40 kernel: [    0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-5.15.0-60-generic root=UUID=e1dad91c-4856-4394-a1fd-f440e57524c1 ro quiet splash vt.handoff=7
Feb 15 08:37:10 newcomer01-MS-7A40 kernel: [    0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-5.15.0-60-generic root=UUID=e1dad91c-4856-4394-a1fd-f440e57524c1 ro quiet splash vt.handoff=7
Feb 15 08:37:10 newcomer01-MS-7A40 kernel: [    0.000000] Unknown kernel command line parameters "splash BOOT_IMAGE=/boot/vmlinuz-5.15.0-60-generic", will be passed to user space.
Feb 15 08:37:10 newcomer01-MS-7A40 kernel: [    0.647507]     BOOT_IMAGE=/boot/vmlinuz-5.15.0-60-generic
Feb 15 09:13:22 newcomer01-MS-7A40 kernel: [    0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-5.15.0-60-generic root=UUID=e1dad91c-4856-4394-a1fd-f440e57524c1 ro quiet splash
Feb 15 09:13:22 newcomer01-MS-7A40 kernel: [    0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-5.15.0-60-generic root=UUID=e1dad91c-4856-4394-a1fd-f440e57524c1 ro quiet splash
Feb 15 09:13:22 newcomer01-MS-7A40 kernel: [    0.000000] Unknown kernel command line parameters "splash BOOT_IMAGE=/boot/vmlinuz-5.15.0-60-generic", will be passed to user space.
Feb 15 09:13:22 newcomer01-MS-7A40 kernel: [    0.710603]     BOOT_IMAGE=/boot/vmlinuz-5.15.0-60-generic
Feb 16 08:06:10 newcomer01-MS-7A40 kernel: [    0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-5.15.0-60-generic root=UUID=e1dad91c-4856-4394-a1fd-f440e57524c1 ro quiet splash vt.handoff=7
Feb 16 08:06:10 newcomer01-MS-7A40 kernel: [    0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-5.15.0-60-generic root=UUID=e1dad91c-4856-4394-a1fd-f440e57524c1 ro quiet splash vt.handoff=7
Feb 16 08:06:10 newcomer01-MS-7A40 kernel: [    0.000000] Unknown kernel command line parameters "splash BOOT_IMAGE=/boot/vmlinuz-5.15.0-60-generic", will be passed to user space.
Feb 16 08:06:10 newcomer01-MS-7A40 kernel: [    0.694269]     BOOT_IMAGE=/boot/vmlinuz-5.15.0-60-generic
Feb 16 10:55:07 newcomer01-MS-7A40 kernel: [    0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-5.19.0-32-generic root=UUID=e1dad91c-4856-4394-a1fd-f440e57524c1 ro quiet splash vt.handoff=7
Feb 16 10:55:07 newcomer01-MS-7A40 kernel: [    0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-5.19.0-32-generic root=UUID=e1dad91c-4856-4394-a1fd-f440e57524c1 ro quiet splash vt.handoff=7
Feb 16 10:55:07 newcomer01-MS-7A40 kernel: [    0.000000] Unknown kernel command line parameters "splash BOOT_IMAGE=/boot/vmlinuz-5.19.0-32-generic", will be passed to user space.
Feb 16 10:55:07 newcomer01-MS-7A40 kernel: [    0.716539]     BOOT_IMAGE=/boot/vmlinuz-5.19.0-32-generic
Feb 17 08:35:47 newcomer01-MS-7A40 kernel: [    0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-5.19.0-32-generic root=UUID=e1dad91c-4856-4394-a1fd-f440e57524c1 ro quiet splash vt.handoff=7
Feb 17 08:35:47 newcomer01-MS-7A40 kernel: [    0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-5.19.0-32-generic root=UUID=e1dad91c-4856-4394-a1fd-f440e57524c1 ro quiet splash vt.handoff=7
Feb 17 08:35:47 newcomer01-MS-7A40 kernel: [    0.000000] Unknown kernel command line parameters "splash BOOT_IMAGE=/boot/vmlinuz-5.19.0-32-generic", will be passed to user space.
Feb 17 08:35:47 newcomer01-MS-7A40 kernel: [    0.709284]     BOOT_IMAGE=/boot/vmlinuz-5.19.0-32-generic
Feb 17 21:02:15 newcomer01-MS-7A40 kernel: [    0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-5.19.0-32-generic root=UUID=e1dad91c-4856-4394-a1fd-f440e57524c1 ro quiet splash
Feb 17 21:02:15 newcomer01-MS-7A40 kernel: [    0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-5.19.0-32-generic root=UUID=e1dad91c-4856-4394-a1fd-f440e57524c1 ro quiet splash
Feb 17 21:02:15 newcomer01-MS-7A40 kernel: [    0.000000] Unknown kernel command line parameters "splash BOOT_IMAGE=/boot/vmlinuz-5.19.0-32-generic", will be passed to user space.
Feb 17 21:02:15 newcomer01-MS-7A40 kernel: [    0.707258]     BOOT_IMAGE=/boot/vmlinuz-5.19.0-32-generic
Feb 17 21:03:12 newcomer01-MS-7A40 kernel: [    0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-5.19.0-32-generic root=UUID=e1dad91c-4856-4394-a1fd-f440e57524c1 ro quiet splash vt.handoff=7
Feb 17 21:03:12 newcomer01-MS-7A40 kernel: [    0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-5.19.0-32-generic root=UUID=e1dad91c-4856-4394-a1fd-f440e57524c1 ro quiet splash vt.handoff=7
Feb 17 21:03:12 newcomer01-MS-7A40 kernel: [    0.000000] Unknown kernel command line parameters "splash BOOT_IMAGE=/boot/vmlinuz-5.19.0-32-generic", will be passed to user space.
Feb 17 21:03:12 newcomer01-MS-7A40 kernel: [    0.706751]     BOOT_IMAGE=/boot/vmlinuz-5.19.0-32-generic
Feb 18 08:50:34 newcomer01-MS-7A40 kernel: [    0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-5.19.0-32-generic root=UUID=e1dad91c-4856-4394-a1fd-f440e57524c1 ro quiet splash vt.handoff=7
Feb 18 08:50:34 newcomer01-MS-7A40 kernel: [    0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-5.19.0-32-generic root=UUID=e1dad91c-4856-4394-a1fd-f440e57524c1 ro quiet splash vt.handoff=7
Feb 18 08:50:34 newcomer01-MS-7A40 kernel: [    0.000000] Unknown kernel command line parameters "splash BOOT_IMAGE=/boot/vmlinuz-5.19.0-32-generic", will be passed to user space.
Feb 18 08:50:34 newcomer01-MS-7A40 kernel: [    0.687425]     BOOT_IMAGE=/boot/vmlinuz-5.19.0-32-generic