msk-rs2/ipv4: show protocols all vkcache

vkcache BGP --- up 2021-06-18 Established

Description:    vkcache/47542/AS-VKONTAKTE/via CDNet
  BGP state:          Established
    Neighbor address: 185.1.160.34
    Neighbor AS:      47542
    Local AS:         49869
    Neighbor ID:      95.142.204.251
    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
      4-octet AS numbers
      Long-lived graceful restart
    Session:          external route-server AS4
    Source address:   185.1.161.0
    Hold timer:       64.426/90
    Keepalive timer:  2.969/30
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       restart
    Routes:         6 imported, 0 filtered, 18423 exported, 0 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:              6          0          0          0          6
      Import withdraws:            0          0        ---          0          0
      Export updates:         748168          6     249038        ---     499124
      Export withdraws:       550014        ---        ---        ---     462692
    BGP Next hop:   185.1.161.0