[  421.658222] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  421.673320] br0: port 1(c1) entered blocking state
[  421.673390] br0: port 1(c1) entered disabled state
[  421.673456] c1: entered allmulticast mode
[  421.673543] c1: entered promiscuous mode
[  421.686179] br0: port 2(c2) entered blocking state
[  421.686218] br0: port 2(c2) entered disabled state
[  421.686255] c2: entered allmulticast mode
[  421.686300] c2: entered promiscuous mode
[  421.698944] br0: port 3(c3) entered blocking state
[  421.698982] br0: port 3(c3) entered disabled state
[  421.699022] c3: entered allmulticast mode
[  421.699067] c3: entered promiscuous mode
[  421.711554] br0: port 4(sender) entered blocking state
[  421.711620] br0: port 4(sender) entered disabled state
[  421.711685] sender: entered allmulticast mode
[  421.711768] sender: entered promiscuous mode
[  421.716726] br0: port 4(sender) entered blocking state
[  421.716789] br0: port 4(sender) entered forwarding state
[  421.716855] br0: port 3(c3) entered blocking state
[  421.716917] br0: port 3(c3) entered forwarding state
[  421.716981] br0: port 2(c2) entered blocking state
[  421.717056] br0: port 2(c2) entered forwarding state
[  421.717120] br0: port 1(c1) entered blocking state
[  421.717181] br0: port 1(c1) entered forwarding state
[  421.724212] Bridge firewalling registered
[  432.354144] br0: port 1(c1) entered disabled state
[  432.354376] c1 (unregistering): left allmulticast mode
[  432.354473] c1 (unregistering): left promiscuous mode
[  432.354552] br0: port 1(c1) entered disabled state
[  432.374061] br0: port 2(c2) entered disabled state
[  432.374244] c2 (unregistering): left allmulticast mode
[  432.374313] c2 (unregistering): left promiscuous mode
[  432.374373] br0: port 2(c2) entered disabled state
[  432.402078] br0: port 4(sender) entered disabled state
[  432.402196] br0: port 3(c3) entered disabled state
[  432.402379] sender (unregistering): left allmulticast mode
[  432.402441] sender (unregistering): left promiscuous mode
[  432.402501] br0: port 4(sender) entered disabled state
[  432.402742] c3 (unregistering): left allmulticast mode
[  432.402804] c3 (unregistering): left promiscuous mode
[  432.402865] br0: port 3(c3) entered disabled state