spb-rs2/ipv4: show protocols all NewLine

NewLine BGP --- down 15:49:13.000

Description:    NewLine/31277/AS31277
  BGP state:          Down
    Neighbor address: 31.44.186.58
    Neighbor AS:      31277
  Channel ipv4
    State:          DOWN
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable