Error Codes for N: Device

The N: Device can emit the following error codes.

#	Description
133	No protocol attached.
144	An error occurred. SIO reports this, get the actual Error code from byte 4 of STATUS.
165	Invalid Devicespec
170	File not found (emitted by filesystem adaptors)
200	Connection Refused (equivalent to errno ECONNREFUSED)
201	Network Unreachable (equivalent to errno ENETUNREACH)
202	Connection Timeout (equivalent to errno ETIMEDOUT)
203	Network is down (equivemnt to errno ENETDOWN)
255	Could not allocate either receive or transmit buffers.