hels-rs2/ipv4: show protocols all facebook

facebook BGP --- start 2021-06-18 Passive

Description:    facebook/32934/AS-FACEBOOK
  BGP state:          Passive
    Neighbor address: 193.27.37.50
    Neighbor AS:      32934
    Local AS:         39607
  Channel ipv4
    State:          DOWN
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   50
      Action:       disable