The value of svcL2RteSdpBindId indicates the SDP bind
ID of the SDP bind that binds this VPLS context to
the VSI indicated by svcL2RteRouteDistinguisher,
svcL2RteVsiPrefix, and svcL2RteNextHop.
The value of svcL2RteSdpBindId will be
'0000000000000000'H if there was an error in creating
the L2 route and the svcL2RteError will contain
a string describing the error.