[  553.754195] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  553.795648] br0: port 1(veth1) entered blocking state
[  553.796084] br0: port 1(veth1) entered disabled state
[  553.796656] device veth1 entered promiscuous mode
[  553.797024] br0: port 1(veth1) entered blocking state
[  553.797374] br0: port 1(veth1) entered forwarding state
[  553.798287] IPv6: ADDRCONF(NETDEV_CHANGE): br0: link becomes ready
[  553.802943] br0: port 1(veth1) entered disabled state
[  553.807144] br0: port 2(veth3) entered blocking state
[  553.807638] br0: port 2(veth3) entered disabled state
[  553.808096] device veth3 entered promiscuous mode
[  553.931013] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[  553.931599] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[  553.932112] br0: port 1(veth1) entered blocking state
[  553.932471] br0: port 1(veth1) entered forwarding state
[  554.039580] IPv6: ADDRCONF(NETDEV_CHANGE): veth2: link becomes ready
[  554.040052] IPv6: ADDRCONF(NETDEV_CHANGE): veth3: link becomes ready
[  554.040477] br0: port 2(veth3) entered blocking state
[  554.040790] br0: port 2(veth3) entered forwarding state
[  562.814406] device veth0 entered promiscuous mode
[  563.280643] device veth2 entered promiscuous mode
[  701.326726] br0: port 1(veth1) entered disabled state
[  701.463078] br0: port 2(veth3) entered disabled state
[  701.543483] device veth1 left promiscuous mode
[  701.543885] br0: port 1(veth1) entered disabled state
[  701.595659] device veth3 left promiscuous mode
[  701.596046] br0: port 2(veth3) entered disabled state