[  427.130472] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  427.145277] br0: port 1(c1) entered blocking state
[  427.145341] br0: port 1(c1) entered disabled state
[  427.145416] c1: entered allmulticast mode
[  427.145503] c1: entered promiscuous mode
[  427.159801] br0: port 2(c2) entered blocking state
[  427.159865] br0: port 2(c2) entered disabled state
[  427.159943] c2: entered allmulticast mode
[  427.160026] c2: entered promiscuous mode
[  427.174152] br0: port 3(c3) entered blocking state
[  427.174188] br0: port 3(c3) entered disabled state
[  427.174220] c3: entered allmulticast mode
[  427.174261] c3: entered promiscuous mode
[  427.188282] br0: port 4(sender) entered blocking state
[  427.188316] br0: port 4(sender) entered disabled state
[  427.188350] sender: entered allmulticast mode
[  427.188398] sender: entered promiscuous mode
[  427.193902] br0: port 4(sender) entered blocking state
[  427.193964] br0: port 4(sender) entered forwarding state
[  427.194038] br0: port 3(c3) entered blocking state
[  427.194104] br0: port 3(c3) entered forwarding state
[  427.194174] br0: port 2(c2) entered blocking state
[  427.194244] br0: port 2(c2) entered forwarding state
[  427.194314] br0: port 1(c1) entered blocking state
[  427.194380] br0: port 1(c1) entered forwarding state
[  427.200787] Bridge firewalling registered
[  437.834767] br0: port 1(c1) entered disabled state
[  437.834920] c1 (unregistering): left allmulticast mode
[  437.834949] c1 (unregistering): left promiscuous mode
[  437.834992] br0: port 1(c1) entered disabled state
[  437.860734] br0: port 2(c2) entered disabled state
[  437.860893] c2 (unregistering): left allmulticast mode
[  437.860923] c2 (unregistering): left promiscuous mode
[  437.860953] br0: port 2(c2) entered disabled state
[  437.887727] sender: left allmulticast mode
[  437.887758] sender: left promiscuous mode
[  437.887788] br0: port 4(sender) entered disabled state
[  437.887897] c3: left allmulticast mode
[  437.887918] c3: left promiscuous mode
[  437.887943] br0: port 3(c3) entered disabled state