ebtables \
-t nat \
-F J-vnet0-stp-xyz
ebtables \
-t nat \
-X J-vnet0-stp-xyz
ebtables \
-t nat \
-N J-vnet0-stp-xyz
ebtables \
-t nat \
-A libvirt-J-vnet0 \
-d 01:80:c2:00:00:00 \
-j J-vnet0-stp-xyz
ebtables \
-t nat \
-F P-vnet0-stp-xyz
ebtables \
-t nat \
-X P-vnet0-stp-xyz
ebtables \
-t nat \
-N P-vnet0-stp-xyz
ebtables \
-t nat \
-A libvirt-P-vnet0 \
-d 01:80:c2:00:00:00 \
-j P-vnet0-stp-xyz
ebtables \
-t nat \
-A P-vnet0-stp-xyz \
-s 01:02:03:04:05:06/ff:ff:ff:ff:ff:ff \
-d 01:80:c2:00:00:00 \
--stp-type 18 \
--stp-flags 68 \
-j CONTINUE
ebtables \
-t nat \
-A J-vnet0-stp-xyz \
-s 01:02:03:04:05:06/ff:ff:ff:ff:ff:ff \
-d 01:80:c2:00:00:00 \
--stp-root-pri 4660:9029 \
--stp-root-addr 06:05:04:03:02:01/ff:ff:ff:ff:ff:ff \
--stp-root-cost 287454020:573785173 \
-j RETURN
ebtables \
-t nat \
-A P-vnet0-stp-xyz \
-s 01:02:03:04:05:06/ff:ff:ff:ff:ff:ff \
-d 01:80:c2:00:00:00 \
--stp-sender-prio 4660 \
--stp-sender-addr 06:05:04:03:02:01 \
--stp-port 123:234 \
--stp-msg-age 5544:5555 \
--stp-max-age 7777:8888 \
--stp-hello-time 12345:12346 \
--stp-forward-delay 54321:65432 \
-j DROP