+ local old_zones z
+ config_get old_zones core zones
+ for z in $old_zones; do
+ local old_networks n i
+ config_get old_networks core "${z}_networks"
+ for n in $old_networks; do
+ config_get i core "${n}_ifname"
+ [ -n "$i" ] && env -i ACTION=remove ZONE="$z" \
+ INTERFACE="$n" DEVICE="$i" \
+ /sbin/hotplug-call firewall
+ done
+ done
+