[ 2446.893000] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[ 2446.919161] br0: port 1(veth1) entered blocking state
[ 2446.919173] br0: port 1(veth1) entered disabled state
[ 2446.919208] device veth1 entered promiscuous mode
[ 2446.919257] br0: port 1(veth1) entered blocking state
[ 2446.919259] br0: port 1(veth1) entered forwarding state
[ 2446.921443] br0: port 2(veth3) entered blocking state
[ 2446.921446] br0: port 2(veth3) entered disabled state
[ 2446.921475] device veth3 entered promiscuous mode
[ 2446.921491] br0: port 2(veth3) entered blocking state
[ 2446.921493] br0: port 2(veth3) entered forwarding state
[ 2446.973297] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 2446.975550] br0: port 2(veth3) entered disabled state
[ 2447.051765] IPv6: ADDRCONF(NETDEV_CHANGE): veth3: link becomes ready
[ 2447.051792] br0: port 2(veth3) entered blocking state
[ 2447.051797] br0: port 2(veth3) entered forwarding state
[ 2455.516667] device veth0 entered promiscuous mode
[ 2455.738074] device veth2 entered promiscuous mode
[ 2593.409601] br0: port 1(veth1) entered disabled state
[ 2593.518379] br0: port 2(veth3) entered disabled state
[ 2593.567205] device veth1 left promiscuous mode
[ 2593.567240] br0: port 1(veth1) entered disabled state
[ 2593.599448] device veth3 left promiscuous mode
[ 2593.599461] br0: port 2(veth3) entered disabled state