[  426.630566] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  426.646694] br0: port 1(c1) entered blocking state
[  426.646734] br0: port 1(c1) entered disabled state
[  426.646772] c1: entered allmulticast mode
[  426.646822] c1: entered promiscuous mode
[  426.661347] br0: port 2(c2) entered blocking state
[  426.661420] br0: port 2(c2) entered disabled state
[  426.661488] c2: entered allmulticast mode
[  426.661568] c2: entered promiscuous mode
[  426.675756] br0: port 3(c3) entered blocking state
[  426.675799] br0: port 3(c3) entered disabled state
[  426.675829] c3: entered allmulticast mode
[  426.675876] c3: entered promiscuous mode
[  426.690039] br0: port 4(sender) entered blocking state
[  426.690079] br0: port 4(sender) entered disabled state
[  426.690107] sender: entered allmulticast mode
[  426.690173] sender: entered promiscuous mode
[  426.695706] br0: port 4(sender) entered blocking state
[  426.695773] br0: port 4(sender) entered forwarding state
[  426.695841] br0: port 3(c3) entered blocking state
[  426.695904] br0: port 3(c3) entered forwarding state
[  426.695970] br0: port 2(c2) entered blocking state
[  426.696033] br0: port 2(c2) entered forwarding state
[  426.696106] br0: port 1(c1) entered blocking state
[  426.696185] br0: port 1(c1) entered forwarding state
[  426.702718] Bridge firewalling registered
[  437.331523] br0: port 1(c1) entered disabled state
[  437.331765] c1 (unregistering): left allmulticast mode
[  437.331847] c1 (unregistering): left promiscuous mode
[  437.331913] br0: port 1(c1) entered disabled state
[  437.355311] br0: port 2(c2) entered disabled state
[  437.355466] c2 (unregistering): left allmulticast mode
[  437.355497] c2 (unregistering): left promiscuous mode
[  437.355528] br0: port 2(c2) entered disabled state
[  437.374259] br0: port 4(sender) entered disabled state
[  437.374339] br0: port 3(c3) entered disabled state
[  437.374496] sender (unregistering): left allmulticast mode
[  437.374527] sender (unregistering): left promiscuous mode
[  437.374556] br0: port 4(sender) entered disabled state
[  437.374789] c3 (unregistering): left allmulticast mode
[  437.374820] c3 (unregistering): left promiscuous mode
[  437.374851] br0: port 3(c3) entered disabled state