spb-rs2/ipv4: show protocols all knet

knet BGP --- up 2021-03-19 Established

Description:    knet/51973/AS-KOLT
  BGP state:          Established
    Neighbor address: 185.1.152.140
    Neighbor AS:      51973
    Local AS:         50817
    Neighbor ID:      172.17.4.1
    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
      Enhanced refresh
    Session:          external route-server AS4
    Source address:   185.1.153.0
    Hold timer:       160.518/180
    Keepalive timer:  22.038/60
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable
    Routes:         9 imported, 1 filtered, 101129 exported, 7 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:            116          0         25         41         50
      Import withdraws:            3          0        ---         19          1
      Export updates:        3629451         26          0        ---    3629425
      Export withdraws:      1420255        ---        ---        ---    1420268
    BGP Next hop:   185.1.153.0