The value of svcL2BgpVplsRteSdpBindId indicates the SDP bind
ID of the SDP bind that binds this VPLS context to
the VSI indicated by svcL2BgpVplsRteRD,
svcL2BgpVplsRteVeId, and svcL2BgpVplsRteNextHop.
The value of svcL2BgpVplsRteSdpBindId will be
'0000000000000000'H if there was an error in creating
the L2 route and the svcL2BgpVplsRteError will contain
a string describing the error.