spb-rs2/ipv4: show protocols all Yandex

Yandex BGP --- up 2019-09-09 Established

Description:    Yandex/13238/AS-YANDEX
  BGP state:          Established
    Neighbor address: 31.44.186.57
    Neighbor AS:      13238
    Neighbor ID:      87.250.233.142
    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:   31.44.186.254
    Hold timer:       79.895/90
    Keepalive timer:  26.773/30
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable
    Routes:         62 imported, 0 filtered, 10145 exported
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:            124          0          0         62         62
      Import withdraws:            0          0        ---          0          0
      Export updates:         425898         62     334322        ---      91514
      Export withdraws:       201521        ---        ---        ---      54237
    BGP Next hop:   31.44.186.254