1:INPUT,FORWARD 2-m physdev --physdev-in lo;=;OK 3-m physdev --physdev-is-in --physdev-in lo;=;OK 4:OUTPUT,FORWARD 5# xt_physdev: using --physdev-out in the OUTPUT, FORWARD and POSTROUTING chains for non-bridged traffic is not supported anymore. 6# ERROR: should fail: iptables -A FORWARD -m physdev --physdev-out lo 7#-m physdev --physdev-out lo;;FAIL 8# ERROR: cannot load: iptables -A OUTPUT -m physdev --physdev-is-out --physdev-out lo 9#-m physdev --physdev-is-out --physdev-out lo;=;OK 10:FORWARD 11-m physdev --physdev-in lo --physdev-is-bridged;=;OK 12:POSTROUTING 13*mangle 14-m physdev --physdev-out lo --physdev-is-bridged;=;OK 15