stac: show protocols all ospfipv4

ospfipv4 OSPF ospf4 up 2021-01-06 Running

Channel ipv4
State:          UP
Table:          ospf4
Preference:     150
Input filter:   ACCEPT
Output filter:  ACCEPT
Routes:         31 imported, 6 exported, 31 preferred
Route change stats:     received   rejected   filtered    ignored   accepted
Import updates:            282          0          0          0        282
Import withdraws:           69          0        ---          0         69
Export updates:            288        282          0        ---          6
Export withdraws:           69        ---        ---        ---          0