msk-rs2/ipv4: show protocols all RealHost

RealHost BGP --- start 2019-03-11 Active Socket: Connection refused

Description:    RealHost/51520/as-rh
  BGP state:          Active
    Neighbor address: 31.44.187.112
    Neighbor AS:      51520
    Connect delay:    1.898/5
    Last error:       Socket: Connection refused
  Channel ipv4
    State:          DOWN
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable