[  393.226649] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  393.239313] br0: port 1(c1) entered blocking state
[  393.239344] br0: port 1(c1) entered disabled state
[  393.239372] c1: entered allmulticast mode
[  393.239409] c1: entered promiscuous mode
[  393.251449] br0: port 2(c2) entered blocking state
[  393.251478] br0: port 2(c2) entered disabled state
[  393.251507] c2: entered allmulticast mode
[  393.251547] c2: entered promiscuous mode
[  393.263221] br0: port 3(c3) entered blocking state
[  393.263253] br0: port 3(c3) entered disabled state
[  393.263277] c3: entered allmulticast mode
[  393.263315] c3: entered promiscuous mode
[  393.274858] br0: port 4(sender) entered blocking state
[  393.274889] br0: port 4(sender) entered disabled state
[  393.274914] sender: entered allmulticast mode
[  393.274953] sender: entered promiscuous mode
[  393.279455] br0: port 4(sender) entered blocking state
[  393.279484] br0: port 4(sender) entered forwarding state
[  393.279508] br0: port 3(c3) entered blocking state
[  393.279532] br0: port 3(c3) entered forwarding state
[  393.279553] br0: port 2(c2) entered blocking state
[  393.279579] br0: port 2(c2) entered forwarding state
[  393.279600] br0: port 1(c1) entered blocking state
[  393.279626] br0: port 1(c1) entered forwarding state
[  393.286009] Bridge firewalling registered
[  403.939747] br0: port 1(c1) entered disabled state
[  403.939899] c1 (unregistering): left allmulticast mode
[  403.939925] c1 (unregistering): left promiscuous mode
[  403.939950] br0: port 1(c1) entered disabled state
[  403.970723] br0: port 3(c3) entered disabled state
[  403.970802] br0: port 2(c2) entered disabled state
[  403.970940] c3 (unregistering): left allmulticast mode
[  403.970965] c3 (unregistering): left promiscuous mode
[  403.970988] br0: port 3(c3) entered disabled state
[  403.971185] c2 (unregistering): left allmulticast mode
[  403.971209] c2 (unregistering): left promiscuous mode
[  403.971233] br0: port 2(c2) entered disabled state
[  403.983742] sender: left allmulticast mode
[  403.983768] sender: left promiscuous mode
[  403.983793] br0: port 4(sender) entered disabled state