spb-rs2/ipv4: show protocols all iviru

iviru BGP --- up 2021-11-17 Established

Description:    iviru/57629/AS57629/via IviRu
  BGP state:          Established
    Neighbor address: 185.1.152.76
    Neighbor AS:      57629
    Local AS:         50817
    Neighbor ID:      192.168.13.254
    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
      Graceful restart
        Restart time: 120
        AF supported: ipv4
        AF preserved: ipv4
      4-octet AS numbers
    Session:          external route-server AS4
    Source address:   185.1.153.0
    Hold timer:       126.423/180
    Keepalive timer:  46.847/60
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   500
      Action:       disable
    Routes:         2 imported, 0 filtered, 16785 exported, 2 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:              8          0          0          2          6
      Import withdraws:            0          0        ---          0          0
      Export updates:        1992146          6    1746634        ---     245506
      Export withdraws:      1349939        ---        ---        ---     103720
    BGP Next hop:   185.1.153.0