[  671.435508] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  671.485782] br0: port 1(veth1) entered blocking state
[  671.486764] br0: port 1(veth1) entered disabled state
[  671.488398] device veth1 entered promiscuous mode
[  671.489896] br0: port 1(veth1) entered blocking state
[  671.492360] br0: port 1(veth1) entered forwarding state
[  671.495153] IPv6: ADDRCONF(NETDEV_CHANGE): br0: link becomes ready
[  671.499430] br0: port 1(veth1) entered disabled state
[  671.512629] br0: port 2(veth3) entered blocking state
[  671.515999] br0: port 2(veth3) entered disabled state
[  671.518354] device veth3 entered promiscuous mode
[  671.558324] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[  671.560203] br0: port 1(veth1) entered blocking state
[  671.561334] br0: port 1(veth1) entered forwarding state
[  671.624259] IPv6: ADDRCONF(NETDEV_CHANGE): veth3: link becomes ready
[  671.625624] br0: port 2(veth3) entered blocking state
[  671.626938] br0: port 2(veth3) entered forwarding state
[  680.257848] device veth0 entered promiscuous mode
[  680.776069] device veth2 entered promiscuous mode
[  814.698003] br0: port 1(veth1) entered disabled state
[  814.729223] br0: port 2(veth3) entered disabled state
[  814.757629] device veth1 left promiscuous mode
[  814.759433] br0: port 1(veth1) entered disabled state
[  814.783906] device veth3 left promiscuous mode
[  814.785876] br0: port 2(veth3) entered disabled state