[  435.474020] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  435.490848] br0: port 1(c1) entered blocking state
[  435.490886] br0: port 1(c1) entered disabled state
[  435.490922] c1: entered allmulticast mode
[  435.490976] c1: entered promiscuous mode
[  435.506037] br0: port 2(c2) entered blocking state
[  435.506069] br0: port 2(c2) entered disabled state
[  435.506102] c2: entered allmulticast mode
[  435.506149] c2: entered promiscuous mode
[  435.521185] br0: port 3(c3) entered blocking state
[  435.521255] br0: port 3(c3) entered disabled state
[  435.521328] c3: entered allmulticast mode
[  435.521407] c3: entered promiscuous mode
[  435.536660] br0: port 4(sender) entered blocking state
[  435.536740] br0: port 4(sender) entered disabled state
[  435.536817] sender: entered allmulticast mode
[  435.536910] sender: entered promiscuous mode
[  435.542848] br0: port 4(sender) entered blocking state
[  435.542880] br0: port 4(sender) entered forwarding state
[  435.542919] br0: port 3(c3) entered blocking state
[  435.542951] br0: port 3(c3) entered forwarding state
[  435.542979] br0: port 2(c2) entered blocking state
[  435.543008] br0: port 2(c2) entered forwarding state
[  435.543038] br0: port 1(c1) entered blocking state
[  435.543066] br0: port 1(c1) entered forwarding state
[  435.550488] Bridge firewalling registered
[  446.196748] br0: port 1(c1) entered disabled state
[  446.196961] c1 (unregistering): left allmulticast mode
[  446.196994] c1 (unregistering): left promiscuous mode
[  446.197028] br0: port 1(c1) entered disabled state
[  446.231749] br0: port 3(c3) entered disabled state
[  446.231854] br0: port 2(c2) entered disabled state
[  446.232020] c3 (unregistering): left allmulticast mode
[  446.232053] c3 (unregistering): left promiscuous mode
[  446.232084] br0: port 3(c3) entered disabled state
[  446.232310] c2 (unregistering): left allmulticast mode
[  446.232334] c2 (unregistering): left promiscuous mode
[  446.232367] br0: port 2(c2) entered disabled state
[  446.258699] sender: left allmulticast mode
[  446.258732] sender: left promiscuous mode
[  446.258762] br0: port 4(sender) entered disabled state