[  437.397799] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  437.413559] br0: port 1(c1) entered blocking state
[  437.413638] br0: port 1(c1) entered disabled state
[  437.413711] c1: entered allmulticast mode
[  437.413799] c1: entered promiscuous mode
[  437.428286] br0: port 2(c2) entered blocking state
[  437.428325] br0: port 2(c2) entered disabled state
[  437.428360] c2: entered allmulticast mode
[  437.428409] c2: entered promiscuous mode
[  437.442846] br0: port 3(c3) entered blocking state
[  437.442888] br0: port 3(c3) entered disabled state
[  437.442925] c3: entered allmulticast mode
[  437.442969] c3: entered promiscuous mode
[  437.457591] br0: port 4(sender) entered blocking state
[  437.457634] br0: port 4(sender) entered disabled state
[  437.457675] sender: entered allmulticast mode
[  437.457734] sender: entered promiscuous mode
[  437.463512] br0: port 4(sender) entered blocking state
[  437.463584] br0: port 4(sender) entered forwarding state
[  437.463654] br0: port 3(c3) entered blocking state
[  437.463720] br0: port 3(c3) entered forwarding state
[  437.463786] br0: port 2(c2) entered blocking state
[  437.463850] br0: port 2(c2) entered forwarding state
[  437.463915] br0: port 1(c1) entered blocking state
[  437.463979] br0: port 1(c1) entered forwarding state
[  437.470927] Bridge firewalling registered
[  448.072862] br0: port 1(c1) entered disabled state
[  448.073198] c1 (unregistering): left allmulticast mode
[  448.073236] c1 (unregistering): left promiscuous mode
[  448.073268] br0: port 1(c1) entered disabled state
[  448.092169] br0: port 2(c2) entered disabled state
[  448.092380] c2 (unregistering): left allmulticast mode
[  448.092427] c2 (unregistering): left promiscuous mode
[  448.092458] br0: port 2(c2) entered disabled state
[  448.113177] br0: port 4(sender) entered disabled state
[  448.113259] br0: port 3(c3) entered disabled state
[  448.113471] sender (unregistering): left allmulticast mode
[  448.113522] sender (unregistering): left promiscuous mode
[  448.113555] br0: port 4(sender) entered disabled state
[  448.113851] c3 (unregistering): left allmulticast mode
[  448.113890] c3 (unregistering): left promiscuous mode
[  448.113921] br0: port 3(c3) entered disabled state