regolith: show protocols all ospf_ipv4

ospf_ipv4 OSPF ospf4 up 2021-01-16 22:52:32 Running

Channel ipv4
    State:          UP
    Table:          ospf4
    Preference:     150
    Input filter:   ACCEPT
    Output filter:  ACCEPT
    Routes:         19 imported, 5 exported, 19 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:             33          0          0          0         33
      Import withdraws:            0          0        ---          0          0
      Export updates:             38         33          0        ---          5
      Export withdraws:            0        ---        ---        ---          0