msk-rs2/ipv4: show protocols all Mediasoft

Mediasoft BGP --- start 2019-04-17 Connect Received: Connection rejected

Description:    Mediasoft/48347/AS-MTW
  BGP state:          Connect
    Neighbor address: 31.44.187.56
    Neighbor AS:      48347
    Last error:       Received: Connection rejected
  Channel ipv4
    State:          DOWN
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable