tll-rs2/ipv4: show protocols all Megagroup

Megagroup BGP --- up 2020-02-18 Established

Description:    Megagroup/60357/AS60357
  BGP state:          Established
    Neighbor address: 37.9.49.30
    Neighbor AS:      60357
    Local AS:         50817
    Neighbor ID:      185.32.56.3
    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
      Long-lived graceful restart
    Session:          external route-server AS4
    Source address:   37.9.49.254
    Hold timer:       49.995/90
    Keepalive timer:  17.056/30
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       restart
    Routes:         2 imported, 0 filtered, 71784 exported, 2 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:              2          0          0          0          2
      Import withdraws:            0          0        ---          0          0
      Export updates:         383919          2          0        ---     383917
      Export withdraws:       139076        ---        ---        ---     139076
    BGP Next hop:   37.9.49.254