[  402.000768] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  402.016083] br0: port 1(c1) entered blocking state
[  402.016123] br0: port 1(c1) entered disabled state
[  402.016177] c1: entered allmulticast mode
[  402.016218] c1: entered promiscuous mode
[  402.032775] br0: port 2(c2) entered blocking state
[  402.032811] br0: port 2(c2) entered disabled state
[  402.032848] c2: entered allmulticast mode
[  402.032891] c2: entered promiscuous mode
[  402.048292] br0: port 3(c3) entered blocking state
[  402.048327] br0: port 3(c3) entered disabled state
[  402.048366] c3: entered allmulticast mode
[  402.048411] c3: entered promiscuous mode
[  402.063945] br0: port 4(sender) entered blocking state
[  402.063978] br0: port 4(sender) entered disabled state
[  402.064010] sender: entered allmulticast mode
[  402.064065] sender: entered promiscuous mode
[  402.069904] br0: port 4(sender) entered blocking state
[  402.069939] br0: port 4(sender) entered forwarding state
[  402.069972] br0: port 3(c3) entered blocking state
[  402.070007] br0: port 3(c3) entered forwarding state
[  402.070037] br0: port 2(c2) entered blocking state
[  402.070066] br0: port 2(c2) entered forwarding state
[  402.070094] br0: port 1(c1) entered blocking state
[  402.070121] br0: port 1(c1) entered forwarding state
[  402.078648] Bridge firewalling registered
[  412.759713] br0: port 1(c1) entered disabled state
[  412.759947] c1 (unregistering): left allmulticast mode
[  412.759989] c1 (unregistering): left promiscuous mode
[  412.760017] br0: port 1(c1) entered disabled state
[  412.782674] br0: port 2(c2) entered disabled state
[  412.782856] c2 (unregistering): left allmulticast mode
[  412.782917] c2 (unregistering): left promiscuous mode
[  412.782950] br0: port 2(c2) entered disabled state
[  412.805690] br0: port 4(sender) entered disabled state
[  412.805762] br0: port 3(c3) entered disabled state
[  412.806044] sender (unregistering): left allmulticast mode
[  412.806120] sender (unregistering): left promiscuous mode
[  412.806154] br0: port 4(sender) entered disabled state
[  412.806399] c3 (unregistering): left allmulticast mode
[  412.806442] c3 (unregistering): left promiscuous mode
[  412.806469] br0: port 3(c3) entered disabled state