[  424.145054] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  424.161261] br0: port 1(c1) entered blocking state
[  424.161300] br0: port 1(c1) entered disabled state
[  424.161344] c1: entered allmulticast mode
[  424.161393] c1: entered promiscuous mode
[  424.177057] br0: port 2(c2) entered blocking state
[  424.177132] br0: port 2(c2) entered disabled state
[  424.177204] c2: entered allmulticast mode
[  424.177299] c2: entered promiscuous mode
[  424.193200] br0: port 3(c3) entered blocking state
[  424.193237] br0: port 3(c3) entered disabled state
[  424.193274] c3: entered allmulticast mode
[  424.193330] c3: entered promiscuous mode
[  424.208559] br0: port 4(sender) entered blocking state
[  424.208625] br0: port 4(sender) entered disabled state
[  424.208693] sender: entered allmulticast mode
[  424.208781] sender: entered promiscuous mode
[  424.215060] br0: port 4(sender) entered blocking state
[  424.215126] br0: port 4(sender) entered forwarding state
[  424.215197] br0: port 3(c3) entered blocking state
[  424.215263] br0: port 3(c3) entered forwarding state
[  424.215339] br0: port 2(c2) entered blocking state
[  424.215403] br0: port 2(c2) entered forwarding state
[  424.215472] br0: port 1(c1) entered blocking state
[  424.215542] br0: port 1(c1) entered forwarding state
[  424.222655] Bridge firewalling registered
[  434.823634] br0: port 1(c1) entered disabled state
[  434.823828] c1 (unregistering): left allmulticast mode
[  434.823860] c1 (unregistering): left promiscuous mode
[  434.823890] br0: port 1(c1) entered disabled state
[  434.844435] br0: port 2(c2) entered disabled state
[  434.844650] c2 (unregistering): left allmulticast mode
[  434.844689] c2 (unregistering): left promiscuous mode
[  434.844720] br0: port 2(c2) entered disabled state
[  434.864409] br0: port 4(sender) entered disabled state
[  434.864490] br0: port 3(c3) entered disabled state
[  434.864625] sender (unregistering): left allmulticast mode
[  434.864654] sender (unregistering): left promiscuous mode
[  434.864686] br0: port 4(sender) entered disabled state
[  434.864912] c3 (unregistering): left allmulticast mode
[  434.864940] c3 (unregistering): left promiscuous mode
[  434.864965] br0: port 3(c3) entered disabled state