msk-rs2/ipv4: show protocols all PIN

PIN BGP --- up 2018-12-13 Established

Description:    PIN/44050/AS-PIN/via CDNet
  BGP state:          Established
    Neighbor address: 31.44.187.17
    Neighbor AS:      44050
    Neighbor ID:      95.215.3.14
    Local capabilities
      Multiprotocol
        AF announced: ipv4
      Route refresh
      Graceful restart
      4-octet AS numbers
      Enhanced refresh
    Neighbor capabilities
      Multiprotocol
        AF announced: ipv4
      Route refresh
      4-octet AS numbers
      Enhanced refresh
    Session:          external route-server AS4
    Source address:   31.44.187.254
    Hold timer:       178.161/180
    Keepalive timer:  14.491/60
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       restart
    Routes:         464 imported, 0 filtered, 8499 exported
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:            930          0          0          2        928
      Import withdraws:            0          0        ---          0          0
      Export updates:          11866        926          4        ---      10936
      Export withdraws:         1743        ---        ---        ---       1745
    BGP Next hop:   31.44.187.254