RowStatus for this Table.
Restriction:
Not support creating or modifying entry currently.
If the signal type is LDP, we can delete PW by deleting Peer.
If the signal type is BGP, we can delete PW by configuring RD.
If the signal type is LDP, we need import PW ID value.
If the signal type is BGP, we can import 0 as PW ID value.