msk-rs2/ipv4: show protocols all CGN

CGN BGP --- up 2020-02-06 Established

Description:    CGN/204941/AS-CGNET
  BGP state:          Established
    Neighbor address: 31.44.187.80
    Neighbor AS:      204941
    Local AS:         50817
    Neighbor ID:      31.44.187.80
    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
        Restart time: 120
        AF supported: ipv4
        AF preserved: ipv4
      4-octet AS numbers
    Session:          external route-server AS4
    Source address:   31.44.187.254
    Hold timer:       69.246/90
    Keepalive timer:  5.521/30
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       restart
    Routes:         24 imported, 2 filtered, 15156 exported, 13 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:            852          0        104        526        222
      Import withdraws:           83          0        ---         88         63
      Export updates:        5454172        363    2803420        ---    2650389
      Export withdraws:      2339439        ---        ---        ---    1571196
    BGP Next hop:   31.44.187.254