spb-rs2/ipv4: show protocols all KTV_2

KTV_2 BGP --- start 2019-12-04 Passive

Description:    KTV_2/58158/AS58158
  BGP state:          Passive
    Neighbor address: 31.44.186.196
    Neighbor AS:      58158
  Channel ipv4
    State:          DOWN
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable