[  391.853066] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  391.866764] br0: port 1(c1) entered blocking state
[  391.866811] br0: port 1(c1) entered disabled state
[  391.866849] c1: entered allmulticast mode
[  391.866896] c1: entered promiscuous mode
[  391.880922] br0: port 2(c2) entered blocking state
[  391.880987] br0: port 2(c2) entered disabled state
[  391.881051] c2: entered allmulticast mode
[  391.881128] c2: entered promiscuous mode
[  391.893755] br0: port 3(c3) entered blocking state
[  391.893799] br0: port 3(c3) entered disabled state
[  391.893833] c3: entered allmulticast mode
[  391.893881] c3: entered promiscuous mode
[  391.907314] br0: port 4(sender) entered blocking state
[  391.907354] br0: port 4(sender) entered disabled state
[  391.907390] sender: entered allmulticast mode
[  391.907440] sender: entered promiscuous mode
[  391.912682] br0: port 4(sender) entered blocking state
[  391.912717] br0: port 4(sender) entered forwarding state
[  391.912751] br0: port 3(c3) entered blocking state
[  391.912785] br0: port 3(c3) entered forwarding state
[  391.912815] br0: port 2(c2) entered blocking state
[  391.912847] br0: port 2(c2) entered forwarding state
[  391.912875] br0: port 1(c1) entered blocking state
[  391.912911] br0: port 1(c1) entered forwarding state
[  391.920281] Bridge firewalling registered
[  402.608892] br0: port 1(c1) entered disabled state
[  402.609070] c1 (unregistering): left allmulticast mode
[  402.609109] c1 (unregistering): left promiscuous mode
[  402.609148] br0: port 1(c1) entered disabled state
[  402.639872] br0: port 3(c3) entered disabled state
[  402.639971] br0: port 2(c2) entered disabled state
[  402.640135] c3 (unregistering): left allmulticast mode
[  402.640174] c3 (unregistering): left promiscuous mode
[  402.640213] br0: port 3(c3) entered disabled state
[  402.640393] c2 (unregistering): left allmulticast mode
[  402.640432] c2 (unregistering): left promiscuous mode
[  402.640465] br0: port 2(c2) entered disabled state
[  402.657869] sender: left allmulticast mode
[  402.657911] sender: left promiscuous mode
[  402.657950] br0: port 4(sender) entered disabled state