rs2/ipv4: show protocols all pb_4_mediasat_as8751_1

pb_4_mediasat_as8751_1 BGP --- start 2020-12-18 Active Socket: Connection refused

Description:    Mediasat 1
  BGP state:          Active
    Neighbor address: 86.104.125.177
    Neighbor AS:      8751
    Connect delay:    2.983/5
    Last error:       Socket: Connection refused
  Channel ipv4
    State:          DOWN
    Table:          t_4_mediasat_as8751_1
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   300
      Action:       restart