[  426.167153] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  426.182711] br0: port 1(c1) entered blocking state
[  426.182756] br0: port 1(c1) entered disabled state
[  426.182793] c1: entered allmulticast mode
[  426.182845] c1: entered promiscuous mode
[  426.197756] br0: port 2(c2) entered blocking state
[  426.197825] br0: port 2(c2) entered disabled state
[  426.197896] c2: entered allmulticast mode
[  426.197978] c2: entered promiscuous mode
[  426.213091] br0: port 3(c3) entered blocking state
[  426.213125] br0: port 3(c3) entered disabled state
[  426.213157] c3: entered allmulticast mode
[  426.213199] c3: entered promiscuous mode
[  426.227817] br0: port 4(sender) entered blocking state
[  426.227887] br0: port 4(sender) entered disabled state
[  426.227963] sender: entered allmulticast mode
[  426.228058] sender: entered promiscuous mode
[  426.233715] br0: port 4(sender) entered blocking state
[  426.233746] br0: port 4(sender) entered forwarding state
[  426.233780] br0: port 3(c3) entered blocking state
[  426.233811] br0: port 3(c3) entered forwarding state
[  426.233841] br0: port 2(c2) entered blocking state
[  426.233869] br0: port 2(c2) entered forwarding state
[  426.233898] br0: port 1(c1) entered blocking state
[  426.233926] br0: port 1(c1) entered forwarding state
[  426.240373] Bridge firewalling registered
[  436.914797] br0: port 1(c1) entered disabled state
[  436.915050] c1 (unregistering): left allmulticast mode
[  436.915137] c1 (unregistering): left promiscuous mode
[  436.915199] br0: port 1(c1) entered disabled state
[  436.950737] br0: port 3(c3) entered disabled state
[  436.950855] br0: port 2(c2) entered disabled state
[  436.951066] c3 (unregistering): left allmulticast mode
[  436.951159] c3 (unregistering): left promiscuous mode
[  436.951247] br0: port 3(c3) entered disabled state
[  436.951528] c2 (unregistering): left allmulticast mode
[  436.951626] c2 (unregistering): left promiscuous mode
[  436.951738] br0: port 2(c2) entered disabled state
[  436.982784] sender: left allmulticast mode
[  436.982879] sender: left promiscuous mode
[  436.982935] br0: port 4(sender) entered disabled state