msk-rs2/ipv4: show protocols all mailru

mailru BGP --- up 2021-04-13 Established

Description:    mailru/47764/AS-MAILRU
  BGP state:          Established
    Neighbor address: 185.1.160.223
    Neighbor AS:      47764
    Local AS:         49869
    Neighbor ID:      94.100.183.250
    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
      Long-lived graceful restart
    Session:          external route-server AS4
    Source address:   185.1.161.0
    Hold timer:       71.914/90
    Keepalive timer:  13.121/30
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable
    Routes:         141 imported, 1 filtered, 104536 exported, 132 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:            711          0          5        564        142
      Import withdraws:            1          0        ---          1          1
      Export updates:         254251        133        781        ---     253337
      Export withdraws:        45103        ---        ---        ---      45099
    BGP Next hop:   185.1.161.0