The status of this public/private host key pair.
The meaning of the values are as follows:
initializing (0) Indicates that a new host key pair, of the
size and type specified by this row, is
being generated.
operational (1) Indicates that the host key pair described
by this row is currently operational.
completed (2) Indicates that the host key pair has been
successfully initialized or reinitialized.
pending (3) Indicates that the new host key pair will
not become operational until the server is
reinitialized.
failed (4) Indicates that the host key pair generation
operation has failed.