spb-rs2/ipv4: show protocols all dataclub2

dataclub2 BGP --- start 2021-07-29 Passive Socket: Connection closed

Description:    dataclub2/203339/as-dataclub
  BGP state:          Passive
    Neighbor address: 185.1.152.205
    Neighbor AS:      203339
    Local AS:         50817
    Last error:       Socket: Connection closed
  Channel ipv4
    State:          DOWN
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   500
      Action:       disable