kiev-rs1/ipv4: show protocols all smartcenter

smartcenter BGP --- start 2021-10-25 Passive

Description:    smartcenter/48763/as-smartcentr
  BGP state:          Passive
    Neighbor address: 146.185.252.108
    Neighbor AS:      48763
    Local AS:         61376
  Channel ipv4
    State:          DOWN
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable