Need some explanation regarding PCC load balancing mangle rules

[DarkNate]

I don’t remember this exactly and I don’t have time to play with it now, but I think that icmp packets for exceeded TTL may inherit either connection or routing mark from original packet. Which does have it, because it’s outgoing packet to some external address, so PCC rules applied to it. You can try some experiments yourself, logging rules in output checking for marks should do it.

Marking incoming connections from internet is in prerouting, because you may want it not only for router itself (where input would be enough), but also for forwarded ports.

I think you may be right about ICMP packets but why would they inherit the marks when the ICMP DST is to the router itself which is the first hop in the traceroutes? And is there a work-around for this?
I’ll look into the experiment though.
Edit: In the logs, I only see ICMP originating from the public IPs destined towards public IPs as expected, no LAN IPs are in it as per the exclusions. So I’m really confused about the packet loss now. Of course if I remove !local and !addresslist then I can see LAN IPs.