[  400.529325] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  400.543394] br0: port 1(c1) entered blocking state
[  400.543456] br0: port 1(c1) entered disabled state
[  400.543493] c1: entered allmulticast mode
[  400.543534] c1: entered promiscuous mode
[  400.557860] br0: port 2(c2) entered blocking state
[  400.557905] br0: port 2(c2) entered disabled state
[  400.557938] c2: entered allmulticast mode
[  400.557987] c2: entered promiscuous mode
[  400.571844] br0: port 3(c3) entered blocking state
[  400.571879] br0: port 3(c3) entered disabled state
[  400.571913] c3: entered allmulticast mode
[  400.571953] c3: entered promiscuous mode
[  400.586078] br0: port 4(sender) entered blocking state
[  400.586113] br0: port 4(sender) entered disabled state
[  400.586148] sender: entered allmulticast mode
[  400.586200] sender: entered promiscuous mode
[  400.591500] br0: port 4(sender) entered blocking state
[  400.591534] br0: port 4(sender) entered forwarding state
[  400.591567] br0: port 3(c3) entered blocking state
[  400.591599] br0: port 3(c3) entered forwarding state
[  400.591623] br0: port 2(c2) entered blocking state
[  400.591656] br0: port 2(c2) entered forwarding state
[  400.591684] br0: port 1(c1) entered blocking state
[  400.591717] br0: port 1(c1) entered forwarding state
[  400.599178] Bridge firewalling registered
[  411.208814] br0: port 1(c1) entered disabled state
[  411.208997] c1 (unregistering): left allmulticast mode
[  411.209029] c1 (unregistering): left promiscuous mode
[  411.209058] br0: port 1(c1) entered disabled state
[  411.232832] br0: port 2(c2) entered disabled state
[  411.233027] c2 (unregistering): left allmulticast mode
[  411.233066] c2 (unregistering): left promiscuous mode
[  411.233103] br0: port 2(c2) entered disabled state
[  411.261786] br0: port 4(sender) entered disabled state
[  411.261898] br0: port 3(c3) entered disabled state
[  411.262038] sender (unregistering): left allmulticast mode
[  411.262089] sender (unregistering): left promiscuous mode
[  411.262121] br0: port 4(sender) entered disabled state
[  411.262362] c3 (unregistering): left allmulticast mode
[  411.262400] c3 (unregistering): left promiscuous mode
[  411.262436] br0: port 3(c3) entered disabled state