spb-rs2/ipv4: show protocols all gfn

gfn BGP --- up 2020-11-15 Established

Description:    gfn/50889/AS50889
  BGP state:          Established
    Neighbor address: 185.1.153.30
    Neighbor AS:      50889
    Local AS:         50817
    Neighbor ID:      217.199.222.2
    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
      4-octet AS numbers
      ADD-PATH
        RX: ipv4
        TX:
    Session:          external route-server AS4
    Source address:   185.1.153.0
    Hold timer:       7.445/15
    Keepalive timer:  3.107/5
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable
    Routes:         1 imported, 0 filtered, 96059 exported, 1 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:              1          0          0          0          1
      Import withdraws:            0          0        ---          0          0
      Export updates:        1363849          1       1235        ---    1362613
      Export withdraws:       834081        ---        ---        ---     833758
    BGP Next hop:   185.1.153.0