[  424.248344] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  424.263579] br0: port 1(c1) entered blocking state
[  424.263624] br0: port 1(c1) entered disabled state
[  424.263661] c1: entered allmulticast mode
[  424.263714] c1: entered promiscuous mode
[  424.278225] br0: port 2(c2) entered blocking state
[  424.278271] br0: port 2(c2) entered disabled state
[  424.278307] c2: entered allmulticast mode
[  424.278367] c2: entered promiscuous mode
[  424.292767] br0: port 3(c3) entered blocking state
[  424.292817] br0: port 3(c3) entered disabled state
[  424.292852] c3: entered allmulticast mode
[  424.292890] c3: entered promiscuous mode
[  424.307168] br0: port 4(sender) entered blocking state
[  424.307210] br0: port 4(sender) entered disabled state
[  424.307238] sender: entered allmulticast mode
[  424.307289] sender: entered promiscuous mode
[  424.312832] br0: port 4(sender) entered blocking state
[  424.312898] br0: port 4(sender) entered forwarding state
[  424.312974] br0: port 3(c3) entered blocking state
[  424.313038] br0: port 3(c3) entered forwarding state
[  424.313110] br0: port 2(c2) entered blocking state
[  424.313175] br0: port 2(c2) entered forwarding state
[  424.313242] br0: port 1(c1) entered blocking state
[  424.313306] br0: port 1(c1) entered forwarding state
[  424.319894] Bridge firewalling registered
[  434.930168] br0: port 1(c1) entered disabled state
[  434.930379] c1 (unregistering): left allmulticast mode
[  434.930446] c1 (unregistering): left promiscuous mode
[  434.930510] br0: port 1(c1) entered disabled state
[  434.970179] br0: port 4(sender) entered disabled state
[  434.970299] br0: port 3(c3) entered disabled state
[  434.970408] br0: port 2(c2) entered disabled state
[  434.970598] sender (unregistering): left allmulticast mode
[  434.970662] sender (unregistering): left promiscuous mode
[  434.970725] br0: port 4(sender) entered disabled state
[  434.970948] c3 (unregistering): left allmulticast mode
[  434.971010] c3 (unregistering): left promiscuous mode
[  434.971119] br0: port 3(c3) entered disabled state
[  434.971354] c2 (unregistering): left allmulticast mode
[  434.971419] c2 (unregistering): left promiscuous mode
[  434.971482] br0: port 2(c2) entered disabled state