The simple device management error status associated with
this conceptual row in 'xcmHrDevMgmtTable'.
Usage: Conforming management agents SHALL set this
object to the value returned in an SNMP Set-Response PDU when
a simple device management operation is 'accepted', ie, when
'xcmHrDevMgmtCommandInProgress' goes from 'false' to 'true'.
Usage: Conforming management agents SHALL set this
object to the value of the completion status of the (possibly
deferred) simple device management operation, when
'xcmHrDevMgmtCommandInProgress' goes from 'true' to 'false'.