Looking at the patch again, I think there's a problem with the original
Ubus patch. Because of where the ubus code is called in log_packet, Ubus
broadcasts will be suppressed by --quiet-dhcp. I doubt that's intended
It should at least be noted the both the UBus and metrics patches are
incomplete in DHCPv6 support.
It would be good to keep UBus and metrics are separate patches applied
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