An example of where this error may be returned is if a Status value
received from another address space belongs to an error-space that
is not known to this address space. Also, errors raised by APIs that
do not return enough error information may be converted to this
error.
Attributes
error_code
The integer error code that describes the error.
experimental_payloads
A dictionary describing the details of the error.
message
The error message that describes the error.
node_def
The NodeDef proto representing the op that failed.