[  427.123282] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  427.138608] br0: port 1(c1) entered blocking state
[  427.138650] br0: port 1(c1) entered disabled state
[  427.138689] c1: entered allmulticast mode
[  427.138740] c1: entered promiscuous mode
[  427.153101] br0: port 2(c2) entered blocking state
[  427.153172] br0: port 2(c2) entered disabled state
[  427.153248] c2: entered allmulticast mode
[  427.153333] c2: entered promiscuous mode
[  427.167741] br0: port 3(c3) entered blocking state
[  427.167781] br0: port 3(c3) entered disabled state
[  427.167813] c3: entered allmulticast mode
[  427.167854] c3: entered promiscuous mode
[  427.182619] br0: port 4(sender) entered blocking state
[  427.182659] br0: port 4(sender) entered disabled state
[  427.182686] sender: entered allmulticast mode
[  427.182733] sender: entered promiscuous mode
[  427.188376] br0: port 4(sender) entered blocking state
[  427.188445] br0: port 4(sender) entered forwarding state
[  427.188515] br0: port 3(c3) entered blocking state
[  427.188578] br0: port 3(c3) entered forwarding state
[  427.188644] br0: port 2(c2) entered blocking state
[  427.188706] br0: port 2(c2) entered forwarding state
[  427.188771] br0: port 1(c1) entered blocking state
[  427.188837] br0: port 1(c1) entered forwarding state
[  427.195503] Bridge firewalling registered
[  437.852725] br0: port 1(c1) entered disabled state
[  437.852940] c1 (unregistering): left allmulticast mode
[  437.852974] c1 (unregistering): left promiscuous mode
[  437.853007] br0: port 1(c1) entered disabled state
[  437.878988] br0: port 3(c3) entered disabled state
[  437.879084] br0: port 2(c2) entered disabled state
[  437.879239] c3 (unregistering): left allmulticast mode
[  437.879270] c3 (unregistering): left promiscuous mode
[  437.879302] br0: port 3(c3) entered disabled state
[  437.879568] c2 (unregistering): left allmulticast mode
[  437.879602] c2 (unregistering): left promiscuous mode
[  437.879632] br0: port 2(c2) entered disabled state
[  437.901961] sender: left allmulticast mode
[  437.902006] sender: left promiscuous mode
[  437.902046] br0: port 4(sender) entered disabled state