spb-rs1/ipv4: show protocols all didi

didi BGP --- start 2021-06-08 Passive Error: BFD session down

Description:    didi/51200/AS-Di-DI
  BGP state:          Passive
    Neighbor address: 185.1.153.78
    Neighbor AS:      51200
    Local AS:         50817
    Last error:       Error: BFD session down
  Channel ipv4
    State:          DOWN
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable