ebtables \
-t nat \
-A libvirt-J-vnet0 \
-s 01:02:03:04:05:06/ff:ff:ff:ff:ff:ff \
-d aa:bb:cc:dd:ee:ff/ff:ff:ff:ff:ff:ff \
-p ipv4 \
--ip-source 10.1.2.3/32 \
--ip-destination 10.1.2.3/32 \
--ip-protocol 17 \
--ip-source-port 20:22 \
--ip-destination-port 100:101 \
-j ACCEPT
ebtables \
-t nat \
-A libvirt-J-vnet0 \
-p ipv4 \
--ip-source 10.1.2.3/17 \
--ip-destination 10.1.2.3/24 \
--ip-protocol 17 \
--ip-tos 0x3f \
-j ACCEPT
ebtables \
-t nat \
-A libvirt-P-vnet0 \
-p ipv4 \
--ip-source 10.1.2.3/31 \
--ip-destination 10.1.2.3/25 \
--ip-protocol 255 \
--ip-tos 0x3f \
-j ACCEPT