:PREROUTING *mangle -j DNPT --src-pfx dead::/64 --dst-pfx 1c3::/64;=;OK -j DNPT --src-pfx dead::beef --dst-pfx 1c3::/64;;FAIL -j DNPT --src-pfx dead::/64;;FAIL -j DNPT --dst-pfx dead::/64;;FAIL -j DNPT;;FAIL
