kiev-rs1/ipv4: show protocols all flex

flex BGP --- up 2021-11-06 Established

Description:    flex/21453/AS-FLEX
  BGP state:          Established
    Neighbor address: 146.185.252.129
    Neighbor AS:      21453
    Local AS:         61376
    Neighbor ID:      80.252.128.1
    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:
      4-octet AS numbers
    Session:          external route-server AS4
    Source address:   146.185.252.100
    Hold timer:       160.847/180
    Keepalive timer:  49.613/60
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable
    Routes:         81 imported, 2 filtered, 96781 exported, 73 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:            652          0          7         28        617
      Import withdraws:          538          0        ---         12        533
      Export updates:        2846854        628         19        ---    2846207
      Export withdraws:      1998840        ---        ---        ---    1998344
    BGP Next hop:   146.185.252.100