rs2/ipv4: show protocols all pb_0011_as51999

pb_0011_as51999 BGP --- start 2021-01-08 15:00:07 Active Socket: Connection refused

Description:    AS51999 - WhiteHat 1 Limited
  BGP state:          Active
    Neighbor address: 185.1.179.19
    Neighbor AS:      51999
    Local AS:         60113
    Connect delay:    11.540/30
    Last error:       Socket: Connection refused
  Channel ipv4
    State:          DOWN
    Table:          t_0011_as51999
    Preference:     100
    Input filter:   f_import_as51999
    Output filter:  f_export_as51999
    Import limit:   700
      Action:       restart