[  407.174064] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  407.188324] br0: port 1(c1) entered blocking state
[  407.188362] br0: port 1(c1) entered disabled state
[  407.188401] c1: entered allmulticast mode
[  407.188443] c1: entered promiscuous mode
[  407.200474] br0: port 2(c2) entered blocking state
[  407.200539] br0: port 2(c2) entered disabled state
[  407.200599] c2: entered allmulticast mode
[  407.200669] c2: entered promiscuous mode
[  407.212604] br0: port 3(c3) entered blocking state
[  407.212637] br0: port 3(c3) entered disabled state
[  407.212667] c3: entered allmulticast mode
[  407.212701] c3: entered promiscuous mode
[  407.224729] br0: port 4(sender) entered blocking state
[  407.224797] br0: port 4(sender) entered disabled state
[  407.224879] sender: entered allmulticast mode
[  407.224961] sender: entered promiscuous mode
[  407.229682] br0: port 4(sender) entered blocking state
[  407.229747] br0: port 4(sender) entered forwarding state
[  407.229811] br0: port 3(c3) entered blocking state
[  407.229881] br0: port 3(c3) entered forwarding state
[  407.229944] br0: port 2(c2) entered blocking state
[  407.230004] br0: port 2(c2) entered forwarding state
[  407.230067] br0: port 1(c1) entered blocking state
[  407.230127] br0: port 1(c1) entered forwarding state
[  407.236760] Bridge firewalling registered
[  417.923409] br0: port 1(c1) entered disabled state
[  417.923578] c1 (unregistering): left allmulticast mode
[  417.923617] c1 (unregistering): left promiscuous mode
[  417.923644] br0: port 1(c1) entered disabled state
[  417.952248] br0: port 3(c3) entered disabled state
[  417.952341] br0: port 2(c2) entered disabled state
[  417.952503] c3 (unregistering): left allmulticast mode
[  417.952533] c3 (unregistering): left promiscuous mode
[  417.952562] br0: port 3(c3) entered disabled state
[  417.952775] c2 (unregistering): left allmulticast mode
[  417.952804] c2 (unregistering): left promiscuous mode
[  417.952831] br0: port 2(c2) entered disabled state
[  417.974280] sender: left allmulticast mode
[  417.974305] sender: left promiscuous mode
[  417.974332] br0: port 4(sender) entered disabled state