OCI: Facing Issue with Linux Instance Booting

Applies to: 

Oracle Cloud Infrastructure

SYMPTOMS

OCI Oracle Linux instance fails to boot. Serial console connection shows an EFI boot error:

Registered SAN device 0x80
Attempting to find EFI firmware
Some failures here are expected
\EFI\Microsoft\Boot\bootmgfw.efi
Booting from SAN device 0x80
Boot from SAN device 0x80 failed: Error 0x7f22208e (http://ipxe.org/7f22208e)
\EFI\redhat\grub.efi
Booting from SAN device 0x80
Boot from SAN device 0x80 failed: Error 0x7f22208e (http://ipxe.org/7f22208e)
\EFI\ubuntu\grubx64.efi
Booting from SAN device 0x80
Boot from SAN device 0x80 failed: Error 0x7f22208e (http://ipxe.org/7f22208e)
\EFI\centos\grubx64.efi
Booting from SAN device 0x80
Boot from SAN device 0x80 failed: Error 0x7f22208e (http://ipxe.org/7f22208e)
\EFI\SuSE\elilo.efi
Booting from SAN device 0x80
Boot from SAN device 0x80 failed: Error 0x7f22208e (http://ipxe.org/7f22208e)
\EFI\ORACLE\grubx64.efi
Booting from SAN device 0x80
Boot from SAN device 0x80 failed: Error 0x7f22208e (http://ipxe.org/7f22208e)
\EFI\BOOT\BOOTX64.EFI
Booting from SAN device 0x80
System BootOrder not found. Initializing defaults.
Creating boot entry "Boot0001" with label "Oracle Linux" for file