pl2-bgp/ipv6: show protocols all RS3

RS3 BGP master up 2018-07-15 Established

Description:    Poland2 to RS3
  Preference:     100
  Input filter:   (unnamed)
  Output filter:  (unnamed)
  Routes:         18947 imported, 3 exported, 230 preferred
  Route change stats:     received   rejected   filtered    ignored   accepted
    Import updates:         285779          0          0          7     285772
    Import withdraws:       107189          0        ---        886     106303
    Export updates:       15485475      49552   15435920        ---          3
    Export withdraws:       111610        ---        ---        ---          0
  BGP state:          Established
    Neighbor address: 2a02:25af:ffff::ffff:bc80:febb
    Neighbor AS:      64515
    Neighbor ID:      188.128.254.187
    Neighbor caps:    refresh enhanced-refresh restart-aware AS4
    Session:          external AS4
    Source address:   2a02:25af:ffff::ffff:bc80:fe89
    Hold timer:       204/240
    Keepalive timer:  50/80