msk-rs2/ipv4: show protocols all VKCache

VKCache BGP --- up 2018-12-13 Established

Description:    VKCache/47542/AS-VKONTAKTE/via CDNet
  BGP state:          Established
    Neighbor address: 31.44.187.33
    Neighbor AS:      47542
    Neighbor ID:      95.142.204.250
    Local capabilities
      Multiprotocol
        AF announced: ipv4
      Route refresh
      Graceful restart
      4-octet AS numbers
      Enhanced refresh
    Neighbor capabilities
      Multiprotocol
        AF announced: ipv4
      Route refresh
      Graceful restart
      4-octet AS numbers
    Session:          external route-server AS4
    Source address:   31.44.187.254
    Hold timer:       58.186/90
    Keepalive timer:  9.273/30
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       restart
    Routes:         2 imported, 0 filtered, 8274 exported
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:              6          0          0          0          6
      Import withdraws:            0          0        ---          0          0
      Export updates:          27559          6       1456        ---      26097
      Export withdraws:         7032        ---        ---        ---       7065
    BGP Next hop:   31.44.187.254