msk-rs2/ipv4: show protocols all CGN

CGN BGP --- up 2020-01-14 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:       71.108/90
    Keepalive timer:  12.267/30
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       restart
    Routes:         61 imported, 3 filtered, 15012 exported, 51 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:            202          0         13         61        128
      Import withdraws:            0          0        ---         10          0
      Export updates:         851062        159     726399        ---     124504
      Export withdraws:       281067        ---        ---        ---     184447
    BGP Next hop:   31.44.187.254