[  421.879653] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  421.894619] br0: port 1(c1) entered blocking state
[  421.894665] br0: port 1(c1) entered disabled state
[  421.894701] c1: entered allmulticast mode
[  421.894742] c1: entered promiscuous mode
[  421.909000] br0: port 2(c2) entered blocking state
[  421.909037] br0: port 2(c2) entered disabled state
[  421.909069] c2: entered allmulticast mode
[  421.909110] c2: entered promiscuous mode
[  421.923254] br0: port 3(c3) entered blocking state
[  421.923326] br0: port 3(c3) entered disabled state
[  421.923397] c3: entered allmulticast mode
[  421.923478] c3: entered promiscuous mode
[  421.937446] br0: port 4(sender) entered blocking state
[  421.937484] br0: port 4(sender) entered disabled state
[  421.937512] sender: entered allmulticast mode
[  421.937562] sender: entered promiscuous mode
[  421.943068] br0: port 4(sender) entered blocking state
[  421.943137] br0: port 4(sender) entered forwarding state
[  421.943204] br0: port 3(c3) entered blocking state
[  421.943268] br0: port 3(c3) entered forwarding state
[  421.943338] br0: port 2(c2) entered blocking state
[  421.943399] br0: port 2(c2) entered forwarding state
[  421.943464] br0: port 1(c1) entered blocking state
[  421.943538] br0: port 1(c1) entered forwarding state
[  421.949990] Bridge firewalling registered
[  432.574584] br0: port 1(c1) entered disabled state
[  432.574896] c1 (unregistering): left allmulticast mode
[  432.574941] c1 (unregistering): left promiscuous mode
[  432.574970] br0: port 1(c1) entered disabled state
[  432.600097] br0: port 3(c3) entered disabled state
[  432.600191] br0: port 2(c2) entered disabled state
[  432.600372] c3 (unregistering): left allmulticast mode
[  432.600418] c3 (unregistering): left promiscuous mode
[  432.600443] br0: port 3(c3) entered disabled state
[  432.600793] c2 (unregistering): left allmulticast mode
[  432.600829] c2 (unregistering): left promiscuous mode
[  432.600862] br0: port 2(c2) entered disabled state
[  432.626972] sender: left allmulticast mode
[  432.627005] sender: left promiscuous mode
[  432.627036] br0: port 4(sender) entered disabled state