spb-rs1/ipv4: show protocols all skyen

skyen BGP --- start 2020-04-25 Passive

Description:    skyen/50254/AS-SKY-EN/via Sky_EN
  BGP state:          Passive
    Neighbor address: 185.1.152.127
    Neighbor AS:      50254
  Channel ipv4
    State:          DOWN
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable