msk-rs2/ipv4: show protocols all Unilink

Unilink BGP --- up 2020-02-06 Established

Description:    Unilink/44053/AS-UNILINK
  BGP state:          Established
    Neighbor address: 31.44.187.92
    Neighbor AS:      44053
    Local AS:         50817
    Neighbor ID:      10.16.5.30
    Local capabilities
      Multiprotocol
        AF announced: ipv4
      Route refresh
      Graceful restart
      4-octet AS numbers
      Enhanced refresh
      Long-lived graceful restart
    Neighbor capabilities
      Multiprotocol
        AF announced: ipv4
      Route refresh
      Graceful restart
      4-octet AS numbers
    Session:          external route-server AS4
    Source address:   31.44.187.254
    Hold timer:       59.634/90
    Keepalive timer:  12.506/30
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable
    Routes:         41 imported, 0 filtered, 84994 exported, 39 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:            234          0         14        141         79
      Import withdraws:           30          0        ---         14         30
      Export updates:        6674026        149         38        ---    6673839
      Export withdraws:      2980714        ---        ---        ---    2980762
    BGP Next hop:   31.44.187.254