[   15.660332] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[   15.706461] br0: port 1(c1) entered blocking state
[   15.706532] br0: port 1(c1) entered disabled state
[   15.706586] c1: entered allmulticast mode
[   15.706661] c1: entered promiscuous mode
[   15.751873] br0: port 2(c2) entered blocking state
[   15.751965] br0: port 2(c2) entered disabled state
[   15.752029] c2: entered allmulticast mode
[   15.752114] c2: entered promiscuous mode
[   15.771344] ip (3034) used greatest stack depth: 11976 bytes left
[   15.797977] br0: port 3(c3) entered blocking state
[   15.798033] br0: port 3(c3) entered disabled state
[   15.798077] c3: entered allmulticast mode
[   15.798144] c3: entered promiscuous mode
[   15.840303] br0: port 4(sender) entered blocking state
[   15.840363] br0: port 4(sender) entered disabled state
[   15.840412] sender: entered allmulticast mode
[   15.840489] sender: entered promiscuous mode
[   15.857015] br0: port 4(sender) entered blocking state
[   15.857066] br0: port 4(sender) entered forwarding state
[   15.857106] br0: port 3(c3) entered blocking state
[   15.857144] br0: port 3(c3) entered forwarding state
[   15.857183] br0: port 2(c2) entered blocking state
[   15.857221] br0: port 2(c2) entered forwarding state
[   15.857259] br0: port 1(c1) entered blocking state
[   15.857298] br0: port 1(c1) entered forwarding state
[   15.870482] Bridge firewalling registered
[   26.609998] br0: port 1(c1) entered disabled state
[   26.610252] c1 (unregistering): left allmulticast mode
[   26.610300] c1 (unregistering): left promiscuous mode
[   26.610344] br0: port 1(c1) entered disabled state
[   26.642981] br0: port 2(c2) entered disabled state
[   26.643226] c2 (unregistering): left allmulticast mode
[   26.643272] c2 (unregistering): left promiscuous mode
[   26.643307] br0: port 2(c2) entered disabled state
[   26.673965] br0: port 3(c3) entered disabled state
[   26.674178] c3 (unregistering): left allmulticast mode
[   26.674218] c3 (unregistering): left promiscuous mode
[   26.674254] br0: port 3(c3) entered disabled state
[   26.708975] br0: port 4(sender) entered disabled state
[   26.709260] sender (unregistering): left allmulticast mode
[   26.709327] sender (unregistering): left promiscuous mode
[   26.709381] br0: port 4(sender) entered disabled state