[ 3885.564276] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[ 3885.626179] br0: port 1(veth1) entered blocking state
[ 3885.626206] br0: port 1(veth1) entered disabled state
[ 3885.626384] device veth1 entered promiscuous mode
[ 3885.626508] br0: port 1(veth1) entered blocking state
[ 3885.626523] br0: port 1(veth1) entered forwarding state
[ 3885.626974] IPv6: ADDRCONF(NETDEV_CHANGE): br0: link becomes ready
[ 3885.628464] br0: port 1(veth1) entered disabled state
[ 3885.643268] br0: port 2(veth3) entered blocking state
[ 3885.643285] br0: port 2(veth3) entered disabled state
[ 3885.672382] device veth3 entered promiscuous mode
[ 3885.838878] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 3885.838919] br0: port 1(veth1) entered blocking state
[ 3885.838926] br0: port 1(veth1) entered forwarding state
[ 3886.012102] IPv6: ADDRCONF(NETDEV_CHANGE): veth3: link becomes ready
[ 3886.017222] br0: port 2(veth3) entered blocking state
[ 3886.017236] br0: port 2(veth3) entered forwarding state
[ 3894.766348] device veth0 entered promiscuous mode
[ 3895.221184] device veth2 entered promiscuous mode
[ 4029.365206] br0: port 1(veth1) entered disabled state
[ 4029.575166] br0: port 2(veth3) entered disabled state
[ 4029.671202] device veth1 left promiscuous mode
[ 4029.671263] br0: port 1(veth1) entered disabled state
[ 4029.727039] device veth3 left promiscuous mode
[ 4029.727078] br0: port 2(veth3) entered disabled state