spb-rs2/ipv4: show protocols all Marosnet

Marosnet BGP --- down 15:47:16.688

Description:    Marosnet/48666/AS-MAROSNET
  BGP state:          Down
    Neighbor address: 31.44.186.163
    Neighbor AS:      48666
  Channel ipv4
    State:          DOWN
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable