The value of svcTlsBackboneLDPMacFlush specifies whether
'LDP MAC withdraw all from me' message received in the
'iVpls' domain should attempt to generate a new 'LDP MAC
withdraw all from me' message in the 'bVpls' domain.
Generation of the 'LDP MAC withdraw all from me'
message is still constrained by the svcTlsMacFlushOnFail
value in the 'bVpls'.
An inconsistentValue error is returned if an attempt
is made to set this object when the value of
svcVplsType is not 'iVpls'.