spb-rs2/ipv4: show protocols all cdcua2

cdcua2 BGP --- down 00:34:36.703

Description:    cdcua2/49588/AS-SDS
  BGP state:          Down
    Neighbor address: 185.1.153.75
    Neighbor AS:      49588
    Local AS:         50817
  Channel ipv4
    State:          DOWN
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   500
      Action:       disable