rix-rs2/ipv4: show protocols all NWLink

NWLink BGP --- up 2020-09-14 Established

Description:    NWLink/42893/AS42893
  BGP state:          Established
    Neighbor address: 193.27.39.74
    Neighbor AS:      42893
    Local AS:         50817
    Neighbor ID:      10.135.154.253
    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
      4-octet AS numbers
    Session:          external route-server AS4
    Source address:   193.27.39.254
    Hold timer:       115.777/180
    Keepalive timer:  9.890/60
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable
    Routes:         3 imported, 0 filtered, 86239 exported, 3 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:              3          0          0          0          3
      Import withdraws:            0          0        ---          0          0
      Export updates:         590195          3       2703        ---     587489
      Export withdraws:       297617        ---        ---        ---     295667
    BGP Next hop:   193.27.39.254