[ 2826.870142] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[ 2826.911626] br0: port 1(veth1) entered blocking state
[ 2826.911633] br0: port 1(veth1) entered disabled state
[ 2826.911665] device veth1 entered promiscuous mode
[ 2826.911701] br0: port 1(veth1) entered blocking state
[ 2826.911703] br0: port 1(veth1) entered forwarding state
[ 2826.913160] br0: port 2(veth3) entered blocking state
[ 2826.913163] br0: port 2(veth3) entered disabled state
[ 2826.913187] device veth3 entered promiscuous mode
[ 2826.913201] br0: port 2(veth3) entered blocking state
[ 2826.913203] br0: port 2(veth3) entered forwarding state
[ 2826.955938] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 2826.956008] br0: port 2(veth3) entered disabled state
[ 2827.016354] IPv6: ADDRCONF(NETDEV_CHANGE): veth3: link becomes ready
[ 2827.016389] br0: port 2(veth3) entered blocking state
[ 2827.016393] br0: port 2(veth3) entered forwarding state
[ 2835.394163] device veth0 entered promiscuous mode
[ 2835.546725] device veth2 entered promiscuous mode
[ 2969.192944] br0: port 1(veth1) entered disabled state
[ 2969.272955] br0: port 2(veth3) entered disabled state
[ 2969.337977] device veth1 left promiscuous mode
[ 2969.338006] br0: port 1(veth1) entered disabled state
[ 2969.373544] device veth3 left promiscuous mode
[ 2969.373569] br0: port 2(veth3) entered disabled state