[  423.542086] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  423.557663] br0: port 1(c1) entered blocking state
[  423.557738] br0: port 1(c1) entered disabled state
[  423.557807] c1: entered allmulticast mode
[  423.557902] c1: entered promiscuous mode
[  423.571117] br0: port 2(c2) entered blocking state
[  423.571181] br0: port 2(c2) entered disabled state
[  423.571249] c2: entered allmulticast mode
[  423.571336] c2: entered promiscuous mode
[  423.584322] br0: port 3(c3) entered blocking state
[  423.584387] br0: port 3(c3) entered disabled state
[  423.584455] c3: entered allmulticast mode
[  423.584535] c3: entered promiscuous mode
[  423.598778] br0: port 4(sender) entered blocking state
[  423.598848] br0: port 4(sender) entered disabled state
[  423.598931] sender: entered allmulticast mode
[  423.599019] sender: entered promiscuous mode
[  423.604157] br0: port 4(sender) entered blocking state
[  423.604220] br0: port 4(sender) entered forwarding state
[  423.604289] br0: port 3(c3) entered blocking state
[  423.604359] br0: port 3(c3) entered forwarding state
[  423.604427] br0: port 2(c2) entered blocking state
[  423.604492] br0: port 2(c2) entered forwarding state
[  423.604560] br0: port 1(c1) entered blocking state
[  423.604625] br0: port 1(c1) entered forwarding state
[  423.611837] Bridge firewalling registered
[  434.225007] br0: port 1(c1) entered disabled state
[  434.225201] c1 (unregistering): left allmulticast mode
[  434.225234] c1 (unregistering): left promiscuous mode
[  434.225263] br0: port 1(c1) entered disabled state
[  434.252977] br0: port 2(c2) entered disabled state
[  434.253127] c2 (unregistering): left allmulticast mode
[  434.253158] c2 (unregistering): left promiscuous mode
[  434.253189] br0: port 2(c2) entered disabled state
[  434.280983] br0: port 4(sender) entered disabled state
[  434.281073] br0: port 3(c3) entered disabled state
[  434.281232] sender (unregistering): left allmulticast mode
[  434.281265] sender (unregistering): left promiscuous mode
[  434.281297] br0: port 4(sender) entered disabled state
[  434.281560] c3 (unregistering): left allmulticast mode
[  434.281593] c3 (unregistering): left promiscuous mode
[  434.281638] br0: port 3(c3) entered disabled state