[ 2168.431109] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[ 2168.449436] br0: port 1(veth1) entered blocking state
[ 2168.449459] br0: port 1(veth1) entered disabled state
[ 2168.449597] device veth1 entered promiscuous mode
[ 2168.449820] br0: port 1(veth1) entered blocking state
[ 2168.449828] br0: port 1(veth1) entered forwarding state
[ 2168.449876] IPv6: ADDRCONF(NETDEV_CHANGE): br0: link becomes ready
[ 2168.452338] br0: port 1(veth1) entered disabled state
[ 2168.452778] br0: port 2(veth3) entered blocking state
[ 2168.452785] br0: port 2(veth3) entered disabled state
[ 2168.452867] device veth3 entered promiscuous mode
[ 2168.563468] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 2168.563494] br0: port 1(veth1) entered blocking state
[ 2168.563498] br0: port 1(veth1) entered forwarding state
[ 2168.664201] IPv6: ADDRCONF(NETDEV_CHANGE): veth3: link becomes ready
[ 2168.664233] br0: port 2(veth3) entered blocking state
[ 2168.664239] br0: port 2(veth3) entered forwarding state
[ 2177.079940] device veth0 entered promiscuous mode
[ 2177.208043] device veth2 entered promiscuous mode
[ 2310.830841] br0: port 1(veth1) entered disabled state
[ 2310.942918] br0: port 2(veth3) entered disabled state
[ 2311.044116] device veth1 left promiscuous mode
[ 2311.044169] br0: port 1(veth1) entered disabled state
[ 2311.132062] device veth3 left promiscuous mode
[ 2311.132110] br0: port 2(veth3) entered disabled state