kiev-rs2/ipv4: show protocols all iptt

iptt BGP --- start 2021-08-26 Passive Socket: Connection closed

Description:    iptt/61230/AS-IPTT
  BGP state:          Passive
    Neighbor address: 146.185.252.97
    Neighbor AS:      61230
    Local AS:         61376
    Last error:       Socket: Connection closed
  Channel ipv4
    State:          DOWN
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable