The value of the object svcTlsExtSpbmCtrlVpls specifies the controlling
Shortest Path Bridging (SPB) VPLS for this user SPB VPLS.
An 'inconsistentValue' error is returned if svcTlsExtSpbmCtrlVpls is
set to default and svcTlsExtSpbmFid is set to its non-default value or
when svcTlsExtSpbmCtrlVpls is set to non-default and svcTlsExtSpbmFid
is set to its default value.