The service management in progress status associated with
this conceptual row in 'xcmSvcMonServiceMgmtTable'.
Usage: Conforming management agents SHALL 'reject' any
SNMP Set-Request to 'xcmSvcMonServiceMgmt[Operation|Data]'
while another management operation is already in progress
(ie, while 'xcmSvcMonServiceMgmtInProgress' is 'true'),
with 'badValue' (SNMPv1) or 'inconsistentValue' (SNMPv2/v3).