[  421.894160] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  421.908569] br0: port 1(c1) entered blocking state
[  421.908621] br0: port 1(c1) entered disabled state
[  421.908661] c1: entered allmulticast mode
[  421.908723] c1: entered promiscuous mode
[  421.922583] br0: port 2(c2) entered blocking state
[  421.922657] br0: port 2(c2) entered disabled state
[  421.922739] c2: entered allmulticast mode
[  421.922823] c2: entered promiscuous mode
[  421.936472] br0: port 3(c3) entered blocking state
[  421.936512] br0: port 3(c3) entered disabled state
[  421.936547] c3: entered allmulticast mode
[  421.936595] c3: entered promiscuous mode
[  421.950332] br0: port 4(sender) entered blocking state
[  421.950403] br0: port 4(sender) entered disabled state
[  421.950473] sender: entered allmulticast mode
[  421.950565] sender: entered promiscuous mode
[  421.955870] br0: port 4(sender) entered blocking state
[  421.955947] br0: port 4(sender) entered forwarding state
[  421.956018] br0: port 3(c3) entered blocking state
[  421.956085] br0: port 3(c3) entered forwarding state
[  421.956154] br0: port 2(c2) entered blocking state
[  421.956222] br0: port 2(c2) entered forwarding state
[  421.956292] br0: port 1(c1) entered blocking state
[  421.956359] br0: port 1(c1) entered forwarding state
[  421.964403] Bridge firewalling registered
[  432.655841] br0: port 1(c1) entered disabled state
[  432.656188] c1 (unregistering): left allmulticast mode
[  432.656286] c1 (unregistering): left promiscuous mode
[  432.656323] br0: port 1(c1) entered disabled state
[  432.680819] br0: port 3(c3) entered disabled state
[  432.680916] br0: port 2(c2) entered disabled state
[  432.681237] c3 (unregistering): left allmulticast mode
[  432.681302] c3 (unregistering): left promiscuous mode
[  432.681337] br0: port 3(c3) entered disabled state
[  432.681810] c2 (unregistering): left allmulticast mode
[  432.681855] c2 (unregistering): left promiscuous mode
[  432.681886] br0: port 2(c2) entered disabled state
[  432.700808] sender: left allmulticast mode
[  432.700883] sender: left promiscuous mode
[  432.700925] br0: port 4(sender) entered disabled state