LXC_BRIDGE="lxcbr0"
LXC_ADDR="10.0.3.1"
LXC_NETMASK="255.255.255.0"
LXC_NETWORK="10.0.3.0/24"
LXC_DHCP_RANGE="10.0.3.2,10.0.3.254"
LXC_DHCP_MAX="253"

-A FORWARD -i ens3 -o lxcbr0 -m state --state RELATED,ESTABLISHED -j ACCEPT
-A FORWARD -i lxcbr0 -o ens3 -j ACCEPT
-A FORWARD -i lxcbr0 -j ACCEPT
-A FORWARD -o lxcbr0 -j ACCEPT