The value of sdpBindCtrlChanPwRetryTimer specifies the retry timer
value to be used for the request timer when control channel for the
psuedo-wire path is enabled for this SDP binding.
An 'inconsistentValue' error is returned if the value of
sdpBindCtrlChanPwRequestTimer is set to non-zero when value of either
sdpBindCtrlChanPwRetryTimer or sdpBindCtrlChanPwTimeoutMult is
also set to zero.