spb-rs2/ipv4: show protocols all Tiera

Tiera BGP --- down 20:42:15.930

Description:    Tiera/39598/AS-TIERA
  BGP state:          Down
    Neighbor address: 31.44.186.69
    Neighbor AS:      39598
  Channel ipv4
    State:          DOWN
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable