tll-rs2/ipv4: show protocols all ArtPlanet

ArtPlanet BGP --- start 2020-01-14 Passive BGP Error: Hold timer expired

Description:    ArtPlanet/49542/AS-ARTPLANET
  BGP state:          Passive
    Neighbor address: 37.9.49.23
    Neighbor AS:      49542
    Local AS:         50817
    Last error:       BGP Error: Hold timer expired
  Channel ipv4
    State:          DOWN
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       restart