[  391.565456] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  391.581370] br0: port 1(c1) entered blocking state
[  391.581442] br0: port 1(c1) entered disabled state
[  391.581509] c1: entered allmulticast mode
[  391.581588] c1: entered promiscuous mode
[  391.594928] br0: port 2(c2) entered blocking state
[  391.595015] br0: port 2(c2) entered disabled state
[  391.595051] c2: entered allmulticast mode
[  391.595095] c2: entered promiscuous mode
[  391.608013] br0: port 3(c3) entered blocking state
[  391.608058] br0: port 3(c3) entered disabled state
[  391.608088] c3: entered allmulticast mode
[  391.608134] c3: entered promiscuous mode
[  391.621410] br0: port 4(sender) entered blocking state
[  391.621448] br0: port 4(sender) entered disabled state
[  391.621481] sender: entered allmulticast mode
[  391.621533] sender: entered promiscuous mode
[  391.626702] br0: port 4(sender) entered blocking state
[  391.626766] br0: port 4(sender) entered forwarding state
[  391.626831] br0: port 3(c3) entered blocking state
[  391.626892] br0: port 3(c3) entered forwarding state
[  391.626964] br0: port 2(c2) entered blocking state
[  391.627027] br0: port 2(c2) entered forwarding state
[  391.627091] br0: port 1(c1) entered blocking state
[  391.627155] br0: port 1(c1) entered forwarding state
[  391.634686] Bridge firewalling registered
[  402.288486] br0: port 1(c1) entered disabled state
[  402.288775] c1 (unregistering): left allmulticast mode
[  402.288844] c1 (unregistering): left promiscuous mode
[  402.288879] br0: port 1(c1) entered disabled state
[  402.311383] br0: port 2(c2) entered disabled state
[  402.311580] c2 (unregistering): left allmulticast mode
[  402.311643] c2 (unregistering): left promiscuous mode
[  402.311704] br0: port 2(c2) entered disabled state
[  402.338386] br0: port 4(sender) entered disabled state
[  402.338507] br0: port 3(c3) entered disabled state
[  402.338704] sender (unregistering): left allmulticast mode
[  402.338768] sender (unregistering): left promiscuous mode
[  402.338829] br0: port 4(sender) entered disabled state
[  402.339041] c3 (unregistering): left allmulticast mode
[  402.339111] c3 (unregistering): left promiscuous mode
[  402.339179] br0: port 3(c3) entered disabled state