[  733.176142] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  733.252265] br0: port 1(veth1) entered blocking state
[  733.252289] br0: port 1(veth1) entered disabled state
[  733.252468] device veth1 entered promiscuous mode
[  733.252784] br0: port 1(veth1) entered blocking state
[  733.252796] br0: port 1(veth1) entered forwarding state
[  733.252857] IPv6: ADDRCONF(NETDEV_CHANGE): br0: link becomes ready
[  733.274828] br0: port 1(veth1) entered disabled state
[  733.280625] br0: port 2(veth3) entered blocking state
[  733.280643] br0: port 2(veth3) entered disabled state
[  733.280816] device veth3 entered promiscuous mode
[  733.458717] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[  733.458774] br0: port 1(veth1) entered blocking state
[  733.458784] br0: port 1(veth1) entered forwarding state
[  733.599984] IPv6: ADDRCONF(NETDEV_CHANGE): veth3: link becomes ready
[  733.600019] br0: port 2(veth3) entered blocking state
[  733.600025] br0: port 2(veth3) entered forwarding state
[  742.423167] device veth0 entered promiscuous mode
[  742.937397] device veth2 entered promiscuous mode
[  877.991486] br0: port 1(veth1) entered disabled state
[  878.181572] br0: port 2(veth3) entered disabled state
[  878.256538] device veth1 left promiscuous mode
[  878.256576] br0: port 1(veth1) entered disabled state
[  878.333250] device veth3 left promiscuous mode
[  878.333288] br0: port 2(veth3) entered disabled state