[ 2762.401856] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[ 2762.436799] br0: port 1(veth1) entered blocking state
[ 2762.437257] br0: port 1(veth1) entered disabled state
[ 2762.438134] device veth1 entered promiscuous mode
[ 2762.438581] br0: port 1(veth1) entered blocking state
[ 2762.438938] br0: port 1(veth1) entered forwarding state
[ 2762.439686] IPv6: ADDRCONF(NETDEV_CHANGE): br0: link becomes ready
[ 2762.441512] br0: port 1(veth1) entered disabled state
[ 2762.445113] br0: port 2(veth3) entered blocking state
[ 2762.445515] br0: port 2(veth3) entered disabled state
[ 2762.446141] device veth3 entered promiscuous mode
[ 2762.542851] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 2762.543550] br0: port 1(veth1) entered blocking state
[ 2762.543960] br0: port 1(veth1) entered forwarding state
[ 2762.612808] IPv6: ADDRCONF(NETDEV_CHANGE): veth3: link becomes ready
[ 2762.613316] br0: port 2(veth3) entered blocking state
[ 2762.613676] br0: port 2(veth3) entered forwarding state
[ 2771.281896] device veth0 entered promiscuous mode
[ 2771.630284] device veth2 entered promiscuous mode
[ 2905.596472] br0: port 1(veth1) entered disabled state
[ 2905.706429] br0: port 2(veth3) entered disabled state
[ 2905.764281] device veth1 left promiscuous mode
[ 2905.764668] br0: port 1(veth1) entered disabled state
[ 2905.809243] device veth3 left promiscuous mode
[ 2905.809636] br0: port 2(veth3) entered disabled state