spb-rs2/ipv4: show protocols all spline

spline BGP --- up 2020-10-10 Established

Description:    spline/49722/AS-SP-LINE/via SPLine
  BGP state:          Established
    Neighbor address: 185.1.152.113
    Neighbor AS:      49722
    Local AS:         50817
    Neighbor ID:      91.215.227.1
    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:   185.1.153.0
    Hold timer:       130.305/180
    Keepalive timer:  43.304/60
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable
    Routes:         2 imported, 0 filtered, 93770 exported, 1 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:              6          0          0          4          2
      Import withdraws:            0          0        ---          0          0
      Export updates:        1316375          4       2754        ---    1313617
      Export withdraws:       641142        ---        ---        ---     641867
    BGP Next hop:   185.1.153.0