spb-rs2/ipv4: show protocols all knet

knet BGP --- up 2021-07-24 Established

Description:    knet/51973/AS-KOLT
  BGP state:          Established
    Neighbor address: 185.1.152.140
    Neighbor AS:      51973
    Local AS:         50817
    Neighbor ID:      46.149.32.50
    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:       139.613/180
    Keepalive timer:  8.063/60
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   500
      Action:       disable
    Routes:         10 imported, 1 filtered, 104651 exported, 7 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:             29          0          1          3         25
      Import withdraws:            6          0        ---          1          6
      Export updates:        1006595         31          1        ---    1006563
      Export withdraws:       255845        ---        ---        ---     255848
    BGP Next hop:   185.1.153.0