-f silently fails if base/frameworks/packet-filter isn't loaded

Description

I know we've been through this before (though searching the tickets in Jira, I couldn't find the thread). But to revisit: the "-f filter" option silently does nothing if base/frameworks/packet-filter isn't loaded (so the scenario here is using -b to suppress its automatic loading). This can lead to seriously confusing behavior. It would be preferable if there's either an error message indicating that the option won't be supported, or if it forced loading of packet-filter.

Environment

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Assignee

Unassigned

Reporter

Vern Paxson

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Priority

Normal
Configure