msk-rs1/ipv4: show protocols all flex

flex BGP --- up 2021-03-31 Established

Description:    flex/21453/AS-FLEX
  BGP state:          Established
    Neighbor address: 185.1.160.159
    Neighbor AS:      21453
    Local AS:         49869
    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
        Restart recovery
        AF supported: ipv4
        AF preserved: ipv4
      4-octet AS numbers
    Session:          external route-server AS4
    Source address:   185.1.160.255
    Hold timer:       130.251/180
    Keepalive timer:  1.081/60
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable
    Routes:         108 imported, 1 filtered, 105055 exported, 61 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:            375          0          2        108        265
      Import withdraws:           92          0        ---          1         92
      Export updates:        1715987        327       1975        ---    1713685
      Export withdraws:       890995        ---        ---        ---     890407
    BGP Next hop:   185.1.160.255