[ 2647.173974] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[ 2647.201973] br0: port 1(veth1) entered blocking state
[ 2647.202502] br0: port 1(veth1) entered disabled state
[ 2647.205129] device veth1 entered promiscuous mode
[ 2647.205689] br0: port 1(veth1) entered blocking state
[ 2647.206204] br0: port 1(veth1) entered forwarding state
[ 2647.210705] br0: port 2(veth3) entered blocking state
[ 2647.211287] br0: port 2(veth3) entered disabled state
[ 2647.213096] device veth3 entered promiscuous mode
[ 2647.215102] br0: port 2(veth3) entered blocking state
[ 2647.215614] br0: port 2(veth3) entered forwarding state
[ 2647.244323] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 2647.245048] br0: port 2(veth3) entered disabled state
[ 2647.284188] IPv6: ADDRCONF(NETDEV_CHANGE): veth3: link becomes ready
[ 2647.284942] br0: port 2(veth3) entered blocking state
[ 2647.285480] br0: port 2(veth3) entered forwarding state
[ 2655.766169] device veth0 entered promiscuous mode
[ 2656.018195] device veth2 entered promiscuous mode
[ 2793.609145] br0: port 1(veth1) entered disabled state
[ 2793.619140] br0: port 2(veth3) entered disabled state
[ 2793.637888] device veth1 left promiscuous mode
[ 2793.638494] br0: port 1(veth1) entered disabled state
[ 2793.645183] device veth3 left promiscuous mode
[ 2793.645728] br0: port 2(veth3) entered disabled state