The value of tmnxOamVprnTrL3MapDestAddress indicates the Internet
address to be advertised for the route information returned by
this 'vprnTraceRoute' reply. When used together with the values
in tmnxOamVprnTrL3MapRteDestMask and tmnxOamVprnTrL3MapRteVprnLabel
a customer route can be identified.