osmium: show protocols all ospf_ipv6

ospf_ipv6 OSPF ospf6 up 2021-04-07 00:34:36 Running

Channel ipv6
    State:          UP
    Table:          ospf6
    Preference:     150
    Input filter:   ACCEPT
    Output filter:  ACCEPT
    Routes:         8 imported, 12 exported, 8 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:            108          0          0          0        108
      Import withdraws:           36          0        ---          0         36
      Export updates:            131        108          0        ---         23
      Export withdraws:           41        ---        ---        ---          5