msk-rs2/ipv4: show protocols all vkcache2

vkcache2 BGP --- up 2021-04-07 Established

Description:    vkcache2/47542/AS-VKONTAKTE/via CDNet
  BGP state:          Established
    Neighbor address: 185.1.160.33
    Neighbor AS:      47542
    Local AS:         49869
    Neighbor ID:      95.142.204.250
    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:       62.857/90
    Keepalive timer:  19.676/30
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       restart
    Routes:         6 imported, 0 filtered, 17318 exported, 2 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:             16          0          0          6         10
      Import withdraws:            4          0        ---          0          4
      Export updates:         590538         10     448893        ---     141635
      Export withdraws:       156371        ---        ---        ---      18704
    BGP Next hop:   185.1.161.0