msk-rs2/ipv4: show protocols all cgn

cgn BGP --- up 2021-05-13 Established

Description:    cgn/204941/AS-CGNET
  BGP state:          Established
    Neighbor address: 185.1.160.80
    Neighbor AS:      204941
    Local AS:         49869
    Neighbor ID:      91.108.34.44
    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:   185.1.161.0
    Hold timer:       67.931/90
    Keepalive timer:  9.473/30
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       restart
    Routes:         23 imported, 2 filtered, 18274 exported, 14 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:             63          0          4         23         36
      Import withdraws:            0          0        ---          2          0
      Export updates:         374068         63     275935        ---      98070
      Export withdraws:        76609        ---        ---        ---      33004
    BGP Next hop:   185.1.161.0