msk-rs2/ipv4: show protocols all miran

miran BGP --- start 2021-09-23 Passive Error: BFD session down

Description:    miran/41722/AS-MIRAN
  BGP state:          Passive
    Neighbor address: 185.1.161.163
    Neighbor AS:      41722
    Local AS:         49869
    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