rs2/ipv4: show protocols all pb_4_a1telecom_as39734_1

pb_4_a1telecom_as39734_1 BGP --- start 2019-03-18 Active Socket: Connection refused

Description:    A1 Telecom 1
  BGP state:          Active
    Neighbor address: 86.104.125.74
    Neighbor AS:      39734
    Connect delay:    0.516/5
    Last error:       Socket: Connection refused
  Channel ipv4
    State:          DOWN
    Table:          t_4_a1telecom_as39734_1
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   500
      Action:       restart