[  423.989267] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  424.004854] br0: port 1(c1) entered blocking state
[  424.004934] br0: port 1(c1) entered disabled state
[  424.005007] c1: entered allmulticast mode
[  424.005092] c1: entered promiscuous mode
[  424.019408] br0: port 2(c2) entered blocking state
[  424.019449] br0: port 2(c2) entered disabled state
[  424.019482] c2: entered allmulticast mode
[  424.019524] c2: entered promiscuous mode
[  424.033752] br0: port 3(c3) entered blocking state
[  424.033828] br0: port 3(c3) entered disabled state
[  424.033909] c3: entered allmulticast mode
[  424.033994] c3: entered promiscuous mode
[  424.048112] br0: port 4(sender) entered blocking state
[  424.048179] br0: port 4(sender) entered disabled state
[  424.048256] sender: entered allmulticast mode
[  424.048349] sender: entered promiscuous mode
[  424.053935] br0: port 4(sender) entered blocking state
[  424.053973] br0: port 4(sender) entered forwarding state
[  424.054008] br0: port 3(c3) entered blocking state
[  424.054037] br0: port 3(c3) entered forwarding state
[  424.054067] br0: port 2(c2) entered blocking state
[  424.054100] br0: port 2(c2) entered forwarding state
[  424.054128] br0: port 1(c1) entered blocking state
[  424.054159] br0: port 1(c1) entered forwarding state
[  424.060661] Bridge firewalling registered
[  434.669918] br0: port 1(c1) entered disabled state
[  434.670098] c1 (unregistering): left allmulticast mode
[  434.670131] c1 (unregistering): left promiscuous mode
[  434.670162] br0: port 1(c1) entered disabled state
[  434.699913] br0: port 3(c3) entered disabled state
[  434.700006] br0: port 2(c2) entered disabled state
[  434.700155] c3 (unregistering): left allmulticast mode
[  434.700190] c3 (unregistering): left promiscuous mode
[  434.700217] br0: port 3(c3) entered disabled state
[  434.700443] c2 (unregistering): left allmulticast mode
[  434.700472] c2 (unregistering): left promiscuous mode
[  434.700508] br0: port 2(c2) entered disabled state
[  434.723928] sender: left allmulticast mode
[  434.723970] sender: left promiscuous mode
[  434.724007] br0: port 4(sender) entered disabled state