rs2/ipv4: show protocols all pb_4_ambra_as34630_2

pb_4_ambra_as34630_2 BGP --- start 2019-03-18 Active Socket: Connection refused

Description:    Ambra 2
  BGP state:          Active
    Neighbor address: 86.104.125.106
    Neighbor AS:      34630
    Connect delay:    0.193/5
    Last error:       Socket: Connection refused
  Channel ipv4
    State:          DOWN
    Table:          t_4_ambra_as34630_2
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   50
      Action:       restart