gb-bgp/ipv6: show protocols all AS6939

AS6939 BGP master up 2018-11-24 Established

Description:    London to AS6939
  Preference:     100
  Input filter:   (unnamed)
  Output filter:  (unnamed)
  Routes:         60232 imported, 4 exported, 48770 preferred
  Route change stats:     received   rejected   filtered    ignored   accepted
    Import updates:        2687156          0      18286     298352    2370518
    Import withdraws:       541911          0        ---      19402     540795
    Export updates:       56579166    2790474   53788688        ---          4
    Export withdraws:       500598        ---        ---        ---          0
  BGP state:          Established
    Neighbor address: 2001:470:11:55::1
    Neighbor AS:      6939
    Neighbor ID:      216.66.84.50
    Neighbor caps:    refresh AS4
    Session:          external AS4
    Source address:   2001:470:11:55::2
    Hold timer:       171/180
    Keepalive timer:  36/60