msk-rs2/ipv4: show protocols all mailru

mailru BGP --- up 2021-10-19 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:       50.362/90
    Keepalive timer:  2.810/30
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable
    Routes:         134 imported, 1 filtered, 115922 exported, 132 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:           1352          0         10       1206        136
      Import withdraws:            2          0        ---          1          2
      Export updates:         580997        223       3760        ---     577014
      Export withdraws:       334976        ---        ---        ---     336308
    BGP Next hop:   185.1.161.0