spb-rs2/ipv4: show protocols all LUGLINK

LUGLINK BGP --- up 2019-02-01 Established

Description:    LUGLINK/41446/AS41446
  BGP state:          Established
    Neighbor address: 31.44.186.142
    Neighbor AS:      41446
    Neighbor ID:      10.2.255.41
    Local capabilities
      Multiprotocol
        AF announced: ipv4
      Route refresh
      Graceful restart
      4-octet AS numbers
      Enhanced refresh
    Neighbor capabilities
      Multiprotocol
        AF announced: ipv4
      Route refresh
      Graceful restart
      4-octet AS numbers
    Session:          external route-server AS4
    Source address:   31.44.186.254
    Hold timer:       48.326/90
    Keepalive timer:  4.516/30
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable
    Routes:         1 imported, 0 filtered, 69869 exported
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:              1          0          0          0          1
      Import withdraws:            0          0        ---          0          0
      Export updates:        1182675          1          0        ---    1182674
      Export withdraws:       540853        ---        ---        ---     540853
    BGP Next hop:   31.44.186.254