regolith: show protocols all ospf_ipv6

ospf_ipv6 OSPF ospf6 up 2021-04-10 13:27:09 Running

Channel ipv6
    State:          UP
    Table:          ospf6
    Preference:     150
    Input filter:   ACCEPT
    Output filter:  ACCEPT
    Routes:         16 imported, 4 exported, 16 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:            144          0          0          0        144
      Import withdraws:           44          0        ---          0         44
      Export updates:            155        144          0        ---         11
      Export withdraws:           50        ---        ---        ---          6