[  398.262362] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  398.356684] br0: port 1(veth0) entered blocking state
[  398.358099] br0: port 1(veth0) entered disabled state
[  398.364770] device veth0 entered promiscuous mode
[  398.412597] br0: port 2(veth1) entered blocking state
[  398.413853] br0: port 2(veth1) entered disabled state
[  398.422686] device veth1 entered promiscuous mode
[  398.455560] br0: port 2(veth1) entered blocking state
[  398.458058] br0: port 2(veth1) entered forwarding state
[  398.525037] br0: port 2(veth1) entered disabled state
[  398.526729] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[  398.533235] br0: port 1(veth0) entered blocking state
[  398.534413] br0: port 1(veth0) entered forwarding state
[  398.597575] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[  398.599441] br0: port 2(veth1) entered blocking state
[  398.600599] br0: port 2(veth1) entered forwarding state
[  398.807860] device veth1 left promiscuous mode
[  398.809863] br0: port 2(veth1) entered disabled state
[  398.830457] device veth0 left promiscuous mode
[  398.831661] br0: port 1(veth0) entered disabled state