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
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-f440e57524 c1 ro quiet splash vt.handoff=7 /boot/vmlinuz- 5.15.0- 60-generic root=UUID= e1dad91c- 4856-4394- a1fd-f440e57524 c1 ro quiet splash vt.handoff=7 /boot/vmlinuz- 5.15.0- 60-generic" , will be passed to user space. /boot/vmlinuz- 5.15.0- 60-generic /boot/vmlinuz- 5.15.0- 60-generic root=UUID= e1dad91c- 4856-4394- a1fd-f440e57524 c1 ro quiet splash vt.handoff=7 /boot/vmlinuz- 5.15.0- 60-generic root=UUID= e1dad91c- 4856-4394- a1fd-f440e57524 c1 ro quiet splash vt.handoff=7 /boot/vmlinuz- 5.15.0- 60-generic" , will be passed to user space. /boot/vmlinuz- 5.15.0- 60-generic /boot/vmlinuz- 5.15.0- 60-generic root=UUID= e1dad91c- 4856-4394- a1fd-f440e57524 c1 ro quiet splash vt.handoff=7 /boot/vmlinuz- 5.15.0- 60-generic root=UUID= e1dad91c- 4856-4394- a1fd-f440e57524 c1 ro quiet splash vt.handoff=7 /boot/vmlinuz- 5.15.0- 60-generic" , will be passed to user space. /boot/vmlinuz- 5.15.0- 60-generic /boot/vmlinuz- 5.15.0- 60-generic root=UUID= e1dad91c- 4856-4394- a1fd-f440e57524 c1 ro quiet splash vt.handoff=7 /boot/vmlinuz- 5.15.0- 60-generic root=UUID= e1dad91c- 4856-4394- a1fd-f440e57524 c1 ro quiet splash vt.handoff=7 /boot/vmlinuz- 5.15.0- 60-generic" , will be passed to user space. /boot/vmlinuz- 5.15.0- 60-generic /boot/vmlinuz- 5.15.0- 60-generic root=UUID= e1dad91c- 4856-4394- a1fd-f440e57524 c1 ro quiet splash vt.handoff=7 /boot/vmlinuz- 5.15.0- 60-generic root=UUID= e1dad91c- 4856-4394- a1fd-f440e57524 c1 ro quiet splash vt.handoff=7 /boot/vmlinuz- 5.15.0- 60-generic" , will be passed to user space. /boot/vmlinuz- 5.15.0- 60-generic /boot/vmlinuz- 5.15.0- 60-generic root=UUID= e1dad91c- 4856-4394- a1fd-f440e57524 c1 ro quiet splash /boot/vmlinuz- 5.15.0- 60-generic root=UUID= e1dad91c- 4856-4394- a1fd-f440e57524 c1 ro quiet splash /boot/vmlinuz- 5.15.0- 60-generic" , will be passed to user space. /boot/vmlinuz- 5.15.0- 60-generic /boot/vmlinuz- 5.15.0- 60-generic root=UUID= e1dad91c- 4856-4394- a1fd-f440e57524 c1 ro quiet splash vt.handoff=7 /boot/vmlinuz- 5.15.0- 60-generic root=UUID= e1dad91c- 4856-4394- a1fd-f440e57524 c1 ro quiet splash vt.handoff=7 /boot/vmlinuz- 5.15.0- 60-generic" , will be passed to user space. /boot/vmlinuz- 5.15.0- 60-generic /boot/vmlinuz- 5.19.0- 32-generic root=UUID= e1dad91c- 4856-4394- a1fd-f440e57524 c1 ro quiet splash vt.handoff=7 /boot/vmlinuz- 5.19.0- 32-generic root=UUID= e1dad91c- 4856-4394- a1fd-f440e57524 c1 ro quiet splash vt.handoff=7 /boot/vmlinuz- 5.19.0- 32-generic" , will be passed to user space. /boot/vmlinuz- 5.19.0- 32-generic /boot/vmlinuz- 5.19.0- 32-generic root=UUID= e1dad91c- 4856-4394- a1fd-f440e57524 c1 ro quiet splash vt.handoff=7 /boot/vmlinuz- 5.19.0- 32-generic root=UUID= e1dad91c- 4856-4394- a1fd-f440e57524 c1 ro quiet splash vt.handoff=7 /boot/vmlinuz- 5.19.0- 32-generic" , will be passed to user space. /boot/vmlinuz- 5.19.0- 32-generic /boot/vmlinuz- 5.19.0- 32-generic root=UUID= e1dad91c- 4856-4394- a1fd-f440e57524 c1 ro quiet splash /boot/vmlinuz- 5.19.0- 32-generic root=UUID= e1dad91c- 4856-4394- a1fd-f440e57524 c1 ro quiet splash /boot/vmlinuz- 5.19.0- 32-generic" , will be passed to user space. /boot/vmlinuz- 5.19.0- 32-generic /boot/vmlinuz- 5.19.0- 32-generic root=UUID= e1dad91c- 4856-4394- a1fd-f440e57524 c1 ro quiet splash vt.handoff=7 /boot/vmlinuz- 5.19.0- 32-generic root=UUID= e1dad91c- 4856-4394- a1fd-f440e57524 c1 ro quiet splash vt.handoff=7 /boot/vmlinuz- 5.19.0- 32-generic" , will be passed to user space. /boot/vmlinuz- 5.19.0- 32-generic /boot/vmlinuz- 5.19.0- 32-generic root=UUID= e1dad91c- 4856-4394- a1fd-f440e57524 c1 ro quiet splash vt.handoff=7 /boot/vmlinuz- 5.19.0- 32-generic root=UUID= e1dad91c- 4856-4394- a1fd-f440e57524 c1 ro quiet splash vt.handoff=7 /boot/vmlinuz- 5.19.0- 32-generic" , will be passed to user space. /boot/vmlinuz- 5.19.0- 32-generic
Feb 12 20:51:51 newcomer01-MS-7A40 kernel: [ 0.000000] Kernel command line: BOOT_IMAGE=
Feb 12 20:51:51 newcomer01-MS-7A40 kernel: [ 0.000000] Unknown kernel command line parameters "splash BOOT_IMAGE=
Feb 12 20:51:51 newcomer01-MS-7A40 kernel: [ 0.694284] BOOT_IMAGE=
Feb 13 07:54:28 newcomer01-MS-7A40 kernel: [ 0.000000] Command line: BOOT_IMAGE=
Feb 13 07:54:28 newcomer01-MS-7A40 kernel: [ 0.000000] Kernel command line: BOOT_IMAGE=
Feb 13 07:54:28 newcomer01-MS-7A40 kernel: [ 0.000000] Unknown kernel command line parameters "splash BOOT_IMAGE=
Feb 13 07:54:28 newcomer01-MS-7A40 kernel: [ 0.691816] BOOT_IMAGE=
Feb 13 19:25:30 newcomer01-MS-7A40 kernel: [ 0.000000] Command line: BOOT_IMAGE=
Feb 13 19:25:30 newcomer01-MS-7A40 kernel: [ 0.000000] Kernel command line: BOOT_IMAGE=
Feb 13 19:25:30 newcomer01-MS-7A40 kernel: [ 0.000000] Unknown kernel command line parameters "splash BOOT_IMAGE=
Feb 13 19:25:30 newcomer01-MS-7A40 kernel: [ 0.651217] BOOT_IMAGE=
Feb 14 08:17:55 newcomer01-MS-7A40 kernel: [ 0.000000] Command line: BOOT_IMAGE=
Feb 14 08:17:55 newcomer01-MS-7A40 kernel: [ 0.000000] Kernel command line: BOOT_IMAGE=
Feb 14 08:17:55 newcomer01-MS-7A40 kernel: [ 0.000000] Unknown kernel command line parameters "splash BOOT_IMAGE=
Feb 14 08:17:55 newcomer01-MS-7A40 kernel: [ 0.648228] BOOT_IMAGE=
Feb 15 08:37:10 newcomer01-MS-7A40 kernel: [ 0.000000] Command line: BOOT_IMAGE=
Feb 15 08:37:10 newcomer01-MS-7A40 kernel: [ 0.000000] Kernel command line: BOOT_IMAGE=
Feb 15 08:37:10 newcomer01-MS-7A40 kernel: [ 0.000000] Unknown kernel command line parameters "splash BOOT_IMAGE=
Feb 15 08:37:10 newcomer01-MS-7A40 kernel: [ 0.647507] BOOT_IMAGE=
Feb 15 09:13:22 newcomer01-MS-7A40 kernel: [ 0.000000] Command line: BOOT_IMAGE=
Feb 15 09:13:22 newcomer01-MS-7A40 kernel: [ 0.000000] Kernel command line: BOOT_IMAGE=
Feb 15 09:13:22 newcomer01-MS-7A40 kernel: [ 0.000000] Unknown kernel command line parameters "splash BOOT_IMAGE=
Feb 15 09:13:22 newcomer01-MS-7A40 kernel: [ 0.710603] BOOT_IMAGE=
Feb 16 08:06:10 newcomer01-MS-7A40 kernel: [ 0.000000] Command line: BOOT_IMAGE=
Feb 16 08:06:10 newcomer01-MS-7A40 kernel: [ 0.000000] Kernel command line: BOOT_IMAGE=
Feb 16 08:06:10 newcomer01-MS-7A40 kernel: [ 0.000000] Unknown kernel command line parameters "splash BOOT_IMAGE=
Feb 16 08:06:10 newcomer01-MS-7A40 kernel: [ 0.694269] BOOT_IMAGE=
Feb 16 10:55:07 newcomer01-MS-7A40 kernel: [ 0.000000] Command line: BOOT_IMAGE=
Feb 16 10:55:07 newcomer01-MS-7A40 kernel: [ 0.000000] Kernel command line: BOOT_IMAGE=
Feb 16 10:55:07 newcomer01-MS-7A40 kernel: [ 0.000000] Unknown kernel command line parameters "splash BOOT_IMAGE=
Feb 16 10:55:07 newcomer01-MS-7A40 kernel: [ 0.716539] BOOT_IMAGE=
Feb 17 08:35:47 newcomer01-MS-7A40 kernel: [ 0.000000] Command line: BOOT_IMAGE=
Feb 17 08:35:47 newcomer01-MS-7A40 kernel: [ 0.000000] Kernel command line: BOOT_IMAGE=
Feb 17 08:35:47 newcomer01-MS-7A40 kernel: [ 0.000000] Unknown kernel command line parameters "splash BOOT_IMAGE=
Feb 17 08:35:47 newcomer01-MS-7A40 kernel: [ 0.709284] BOOT_IMAGE=
Feb 17 21:02:15 newcomer01-MS-7A40 kernel: [ 0.000000] Command line: BOOT_IMAGE=
Feb 17 21:02:15 newcomer01-MS-7A40 kernel: [ 0.000000] Kernel command line: BOOT_IMAGE=
Feb 17 21:02:15 newcomer01-MS-7A40 kernel: [ 0.000000] Unknown kernel command line parameters "splash BOOT_IMAGE=
Feb 17 21:02:15 newcomer01-MS-7A40 kernel: [ 0.707258] BOOT_IMAGE=
Feb 17 21:03:12 newcomer01-MS-7A40 kernel: [ 0.000000] Command line: BOOT_IMAGE=
Feb 17 21:03:12 newcomer01-MS-7A40 kernel: [ 0.000000] Kernel command line: BOOT_IMAGE=
Feb 17 21:03:12 newcomer01-MS-7A40 kernel: [ 0.000000] Unknown kernel command line parameters "splash BOOT_IMAGE=
Feb 17 21:03:12 newcomer01-MS-7A40 kernel: [ 0.706751] BOOT_IMAGE=
Feb 18 08:50:34 newcomer01-MS-7A40 kernel: [ 0.000000] Command line: BOOT_IMAGE=
Feb 18 08:50:34 newcomer01-MS-7A40 kernel: [ 0.000000] Kernel command line: BOOT_IMAGE=
Feb 18 08:50:34 newcomer01-MS-7A40 kernel: [ 0.000000] Unknown kernel command line parameters "splash BOOT_IMAGE=
Feb 18 08:50:34 newcomer01-MS-7A40 kernel: [ 0.687425] BOOT_IMAGE=