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pfctl: fix FOM_ICMP/POM_STICKYADDRESS clash
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Authored by franco_opnsense.org on Aug 5 2022, 11:41 AM.
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Details

Summary
pass inet proto icmp icmp-type {unreach}
pass route-to (if0 127.0.0.1/8) sticky-address inet

The wrong struct was being tested. The parser tries to prevent
"sticky-address sticky-address" syntax but was actually cross-
rule enforcing that ICMP filter cannot be before the use of
"sticky-address" in next rule.

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rG FreeBSD src repository
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