MBP 10.1 Big Sur bootlog reports many 'command not found'

My MBP is a bit slow starter. Like, something is wrong.

The bootlog reports many times 'command not found"

andre@andre-server ~ % /Volumes/EFI/BOOTLOG ; exit;

/Volumes/EFI/BOOTLOG: line 1: SlingShot:: command not found

/Volumes/EFI/BOOTLOG: line 2: Memory: command not found

/Volumes/EFI/BOOTLOG: line 3: Memory: command not found

/Volumes/EFI/BOOTLOG: line 4: Drive: command not found

/Volumes/EFI/BOOTLOG: line 5: Drive: command not found

/Volumes/EFI/BOOTLOG: line 6: NetworkFinishOSRSHostInfoLookup:: command not found

/Volumes/EFI/BOOTLOG: line 7: NetworkInitNetwork:: command not found

/Volumes/EFI/BOOTLOG: line 8: SlingShot:: command not found

/Volumes/EFI/BOOTLOG: line 9: ShowError:: command not found

: command not foundG: line 10: 

/Volumes/EFI/BOOTLOG: line 11: SlingShot:: command not found

/Volumes/EFI/BOOTLOG: line 12: Memory: command not found

/Volumes/EFI/BOOTLOG: line 13: Memory: command not found

/Volumes/EFI/BOOTLOG: line 14: Drive: command not found

/Volumes/EFI/BOOTLOG: line 15: Drive: command not found

/Volumes/EFI/BOOTLOG: line 16: NetworkFinishOSRSHostInfoLookup:: command not found

/Volumes/EFI/BOOTLOG: line 17: NetworkInitNetwork:: command not found

/Volumes/EFI/BOOTLOG: line 18: SlingShot:: command not found

/Volumes/EFI/BOOTLOG: line 19: ShowError:: command not found

: command not foundG: line 20: 

Saving session...

...copying shared history...

...saving history...truncating history files...

...completed.

Deleting expired sessions...      16 completed.

[Process completed]

Could anyone advise me please?