pl-bgp/ipv6: show protocols all AS200753_GRE

AS200753_GRE BGP master start 2019-03-21 Connect Socket: Connection reset by peer

Description:    Poland to AS200753
  Preference:     100
  Input filter:   (unnamed)
  Output filter:  (unnamed)
  Routes:         0 imported, 0 exported, 0 preferred
  Route change stats:     received   rejected   filtered    ignored   accepted
    Import updates:              0          0          0          0          0
    Import withdraws:            0          0        ---          0          0
    Export updates:              0          0          0        ---          0
    Export withdraws:            0        ---        ---        ---          0
  BGP state:          Connect
    Neighbor address: 2a06:e880:100f:fffe:28::1
    Neighbor AS:      200753
    Last error:       Socket: Connection reset by peer