spb-rs2/ipv4: show protocols all Telewest

Telewest BGP --- start 2019-04-27 Connect

Description:    Telewest/56592/AS56592
  BGP state:          Connect
    Neighbor address: 31.44.186.177
    Neighbor AS:      56592
  Channel ipv4
    State:          DOWN
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable