This reverts commit 781221f084.
Revert "pf tests: ensure that neighbour discovery works as expected"
This reverts commit 631d6e5300.
Revert "pf: fully annotated patch of disabling state tracking and issues for ND"
This reverts commit f858272896.
Revert "pf: invert direction for inner icmp state lookups"
This reverts commit c61a3c23fb.
Revert "pf tests: ensure that traceroutes using ICMP work"
This reverts commit 9c53965169.
Revert "pf: fix icmp-in-icmp state lookup"
This reverts commit e854cb4789.
Revert "pf: allow MLD LR to be sent without state"
This reverts commit 9b2e3cf60b.
Revert "pf: split ICMP/ICMPv6 number space in pf_icmp_mapping()"
This reverts commit ee1b7126a9.
Revert "pf: some ICMP types that also have icmp_id, pointed out by markus@"
This reverts commit c21004ce41.
Revert "pf: stricter state checking for ICMP and ICMPv6 packets"
This reverts commit 7f1f57ed78.
PR: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=280701