[  714.831159] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  714.899497] br0: port 1(veth1) entered blocking state
[  714.899521] br0: port 1(veth1) entered disabled state
[  714.900029] device veth1 entered promiscuous mode
[  714.900144] br0: port 1(veth1) entered blocking state
[  714.900156] br0: port 1(veth1) entered forwarding state
[  714.900650] IPv6: ADDRCONF(NETDEV_CHANGE): br0: link becomes ready
[  714.907972] br0: port 1(veth1) entered disabled state
[  714.911491] br0: port 2(veth3) entered blocking state
[  714.911504] br0: port 2(veth3) entered disabled state
[  714.911609] device veth3 entered promiscuous mode
[  715.088184] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[  715.088227] br0: port 1(veth1) entered blocking state
[  715.088236] br0: port 1(veth1) entered forwarding state
[  715.262290] IPv6: ADDRCONF(NETDEV_CHANGE): veth3: link becomes ready
[  715.262318] br0: port 2(veth3) entered blocking state
[  715.262324] br0: port 2(veth3) entered forwarding state
[  723.970730] device veth0 entered promiscuous mode
[  724.418539] device veth2 entered promiscuous mode
[  858.612873] br0: port 1(veth1) entered disabled state
[  858.772774] br0: port 2(veth3) entered disabled state
[  858.888453] device veth1 left promiscuous mode
[  858.888487] br0: port 1(veth1) entered disabled state
[  858.964231] device veth3 left promiscuous mode
[  858.964257] br0: port 2(veth3) entered disabled state