msk-rs2/ipv4: show protocols all Yandex

Yandex BGP --- up 2019-02-19 Established

Description:    Yandex/13238/AS-YANDEX
  BGP state:          Established
    Neighbor address: 31.44.187.87
    Neighbor AS:      13238
    Neighbor ID:      87.250.233.199
    Local capabilities
      Multiprotocol
        AF announced: ipv4
      Route refresh
      Graceful restart
      4-octet AS numbers
      Enhanced refresh
    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:       61.220/90
    Keepalive timer:  18.234/30
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       restart
    Routes:         62 imported, 0 filtered, 8925 exported
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:             64          0          0          0         64
      Import withdraws:            1          0        ---          0          1
      Export updates:         375593        250     327568        ---      47775
      Export withdraws:        52159        ---        ---        ---     184993
    BGP Next hop:   31.44.187.254