gw.mythic-sov/ipv6: show protocols all ext_upstream_mythic_1

ext_upstream_mythic_1 BGP --- down 2018-10-24

BGP state:          Down
    Neighbor address: 2a00:1098:80::3
    Neighbor AS:      44684
  Channel ipv6
    State:          DOWN
    Table:          master6
    Preference:     100
    Input filter:   REJECT
    Output filter:  REJECT
    Export limit:   10
      Action:       disable