[  409.495926] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  409.511362] br0: port 1(c1) entered blocking state
[  409.511409] br0: port 1(c1) entered disabled state
[  409.511447] c1: entered allmulticast mode
[  409.511500] c1: entered promiscuous mode
[  409.524333] br0: port 2(c2) entered blocking state
[  409.524377] br0: port 2(c2) entered disabled state
[  409.524405] c2: entered allmulticast mode
[  409.524450] c2: entered promiscuous mode
[  409.536946] br0: port 3(c3) entered blocking state
[  409.537019] br0: port 3(c3) entered disabled state
[  409.537084] c3: entered allmulticast mode
[  409.537161] c3: entered promiscuous mode
[  409.549658] br0: port 4(sender) entered blocking state
[  409.549706] br0: port 4(sender) entered disabled state
[  409.549744] sender: entered allmulticast mode
[  409.549794] sender: entered promiscuous mode
[  409.554676] br0: port 4(sender) entered blocking state
[  409.554719] br0: port 4(sender) entered forwarding state
[  409.554750] br0: port 3(c3) entered blocking state
[  409.554782] br0: port 3(c3) entered forwarding state
[  409.554811] br0: port 2(c2) entered blocking state
[  409.554838] br0: port 2(c2) entered forwarding state
[  409.554865] br0: port 1(c1) entered blocking state
[  409.554898] br0: port 1(c1) entered forwarding state
[  409.561890] Bridge firewalling registered
[  420.198789] br0: port 1(c1) entered disabled state
[  420.199531] c1 (unregistering): left allmulticast mode
[  420.199609] c1 (unregistering): left promiscuous mode
[  420.199681] br0: port 1(c1) entered disabled state
[  420.218774] br0: port 2(c2) entered disabled state
[  420.218976] c2 (unregistering): left allmulticast mode
[  420.219043] c2 (unregistering): left promiscuous mode
[  420.219143] br0: port 2(c2) entered disabled state
[  420.243776] br0: port 4(sender) entered disabled state
[  420.243906] br0: port 3(c3) entered disabled state
[  420.244066] sender (unregistering): left allmulticast mode
[  420.244147] sender (unregistering): left promiscuous mode
[  420.244211] br0: port 4(sender) entered disabled state
[  420.244511] c3 (unregistering): left allmulticast mode
[  420.244574] c3 (unregistering): left promiscuous mode
[  420.244636] br0: port 3(c3) entered disabled state