[  424.113658] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  424.128694] br0: port 1(c1) entered blocking state
[  424.128728] br0: port 1(c1) entered disabled state
[  424.128763] c1: entered allmulticast mode
[  424.128808] c1: entered promiscuous mode
[  424.142874] br0: port 2(c2) entered blocking state
[  424.142928] br0: port 2(c2) entered disabled state
[  424.142969] c2: entered allmulticast mode
[  424.143009] c2: entered promiscuous mode
[  424.157012] br0: port 3(c3) entered blocking state
[  424.157045] br0: port 3(c3) entered disabled state
[  424.157080] c3: entered allmulticast mode
[  424.157120] c3: entered promiscuous mode
[  424.171159] br0: port 4(sender) entered blocking state
[  424.171194] br0: port 4(sender) entered disabled state
[  424.171229] sender: entered allmulticast mode
[  424.171278] sender: entered promiscuous mode
[  424.176710] br0: port 4(sender) entered blocking state
[  424.176742] br0: port 4(sender) entered forwarding state
[  424.176781] br0: port 3(c3) entered blocking state
[  424.176811] br0: port 3(c3) entered forwarding state
[  424.176841] br0: port 2(c2) entered blocking state
[  424.176869] br0: port 2(c2) entered forwarding state
[  424.176900] br0: port 1(c1) entered blocking state
[  424.176933] br0: port 1(c1) entered forwarding state
[  424.183340] Bridge firewalling registered
[  434.783034] br0: port 1(c1) entered disabled state
[  434.783314] c1 (unregistering): left allmulticast mode
[  434.783360] c1 (unregistering): left promiscuous mode
[  434.783395] br0: port 1(c1) entered disabled state
[  434.806157] br0: port 2(c2) entered disabled state
[  434.806349] c2 (unregistering): left allmulticast mode
[  434.806397] c2 (unregistering): left promiscuous mode
[  434.806430] br0: port 2(c2) entered disabled state
[  434.825119] br0: port 4(sender) entered disabled state
[  434.825203] br0: port 3(c3) entered disabled state
[  434.825426] sender (unregistering): left allmulticast mode
[  434.825466] sender (unregistering): left promiscuous mode
[  434.825491] br0: port 4(sender) entered disabled state
[  434.825786] c3 (unregistering): left allmulticast mode
[  434.825828] c3 (unregistering): left promiscuous mode
[  434.825863] br0: port 3(c3) entered disabled state