msk-rs2/ipv4: show protocols all cdcua

cdcua BGP --- up 2021-01-25 Established

Description:    cdcua/49588/AS-SDS
  BGP state:          Established
    Neighbor address: 185.1.160.214
    Neighbor AS:      49588
    Local AS:         49869
    Neighbor ID:      176.101.192.5
    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:       120.489/180
    Keepalive timer:  39.521/60
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable
    Routes:         32 imported, 0 filtered, 102023 exported, 20 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:             66          0          0         31         35
      Import withdraws:            3          0        ---          0          3
      Export updates:         339872         51         36        ---     339785
      Export withdraws:        76610        ---        ---        ---      76660
    BGP Next hop:   185.1.161.0