hels-rs1/ipv4: show protocols all nwlink

nwlink BGP --- up 2021-10-12 Established

Description:    nwlink/42893/AS42893
  BGP state:          Established
    Neighbor address: 193.27.37.28
    Neighbor AS:      42893
    Local AS:         39607
    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:   193.27.37.100
    Hold timer:       118.798/180
    Keepalive timer:  46.444/60
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   500
      Action:       disable
    Routes:         3 imported, 0 filtered, 2509 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:           9012          3          0        ---       9009
      Export withdraws:         4138        ---        ---        ---       4138
    BGP Next hop:   193.27.37.100