spb-rs2/ipv4: show protocols all comlink

comlink BGP --- up 2021-09-04 Established

Description:    comlink/6858/AS-COMLINK
  BGP state:          Established
    Neighbor address: 185.1.153.84
    Neighbor AS:      6858
    Local AS:         50817
    Neighbor ID:      195.182.159.254
    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
      Enhanced refresh
    Session:          external route-server AS4
    Source address:   185.1.153.0
    Hold timer:       121.407/180
    Keepalive timer:  55.277/60
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable
    Routes:         1 imported, 0 filtered, 108997 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:        2512931          2      14126        ---    2498803
      Export withdraws:      1135620        ---        ---        ---    1137596
    BGP Next hop:   185.1.153.0