msk-rs2/ipv4: show protocols all flex

flex BGP --- up 2021-01-19 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:   185.1.161.0
    Hold timer:       110.343/180
    Keepalive timer:  51.423/60
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable
    Routes:         107 imported, 1 filtered, 100676 exported, 61 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:            222          0          2        107        113
      Import withdraws:            4          0        ---          1          4
      Export updates:         270137        176          8        ---     269953
      Export withdraws:        25283        ---        ---        ---      25383
    BGP Next hop:   185.1.161.0