spb-rs1/ipv4: show protocols all spbgu

spbgu BGP --- start 2020-01-10 Passive

Description:    spbgu/5495/AS-SPBU/via SPBGU
  BGP state:          Passive
    Neighbor address: 185.1.152.61
    Neighbor AS:      5495
  Channel ipv4
    State:          DOWN
    Table:          rib4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable