init-options
A map of ssh public keys to install for the root user
See https://www.kernel.org/doc/html/v5.3/admin-guide/kernel-parameters.html for details on cmdline parsing.
This appends to the BootParams parameter defined for most bootenvs provided by RackN after the "--". This is value is ignored by the kernel.
It defaults to the original parameter "kernel-console".
This parameter was defined to clarify the purpose of this parameter.