msk-rs1/ipv4: show protocols all flex

flex BGP --- up 2021-06-11 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
        AF supported: ipv4
        AF preserved:
      4-octet AS numbers
    Session:          external route-server AS4
    Source address:   185.1.160.255
    Hold timer:       133.669/180
    Keepalive timer:  32.045/60
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable
    Routes:         100 imported, 1 filtered, 106732 exported, 79 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:            155          0          1         10        144
      Import withdraws:           38          0        ---          1         38
      Export updates:        1881250        126       2759        ---    1878365
      Export withdraws:      1329142        ---        ---        ---    1326796
    BGP Next hop:   185.1.160.255