msk-rs2/ipv4: show protocols all Yandex

Yandex BGP --- up 2019-08-06 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:       70.945/90
    Keepalive timer:  23.080/30
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       restart
    Routes:         66 imported, 0 filtered, 13242 exported
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:            273          0          0          0        273
      Import withdraws:           31          0        ---          0         31
      Export updates:         534874        273     371749        ---     162852
      Export withdraws:       253252        ---        ---        ---      67618
    BGP Next hop:   31.44.187.254