spb-rs1/ipv4: show protocols all KTV_2

KTV_2 BGP --- start 2019-12-04 Active Socket: Connection refused

Description:    KTV_2/58158/AS58158
  BGP state:          Active
    Neighbor address: 31.44.186.196
    Neighbor AS:      58158
    Connect delay:    3.635/5
    Last error:       Socket: Connection refused
  Channel ipv4
    State:          DOWN
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable