pl-bgp/ipv6: show protocols all AS6939

AS6939 BGP master up 2018-12-16 Established

Description:    Poland to AS6939
  Preference:     100
  Input filter:   (unnamed)
  Output filter:  (unnamed)
  Routes:         60233 imported, 4 exported, 30603 preferred
  Route change stats:     received   rejected   filtered    ignored   accepted
    Import updates:        1521303          0          1      64120    1457182
    Import withdraws:       377307          0        ---        473     376835
    Export updates:       30559577    1347435   29212138        ---          4
    Export withdraws:       641383        ---        ---        ---          0
  BGP state:          Established
    Neighbor address: 2001:470:12:58::1
    Neighbor AS:      6939
    Neighbor ID:      216.66.84.54
    Neighbor caps:    refresh AS4
    Session:          external AS4
    Source address:   2001:470:12:58::2
    Hold timer:       172/180
    Keepalive timer:  31/60