[  737.752667] br0: port 1(c1) entered blocking state
[  737.752797] br0: port 1(c1) entered disabled state
[  737.752868] c1: entered allmulticast mode
[  737.752960] c1: entered promiscuous mode
[  737.803504] br0: port 2(c2) entered blocking state
[  737.803569] br0: port 2(c2) entered disabled state
[  737.803632] c2: entered allmulticast mode
[  737.803711] c2: entered promiscuous mode
[  737.852822] br0: port 3(c3) entered blocking state
[  737.852925] br0: port 3(c3) entered disabled state
[  737.853007] c3: entered allmulticast mode
[  737.853095] c3: entered promiscuous mode
[  737.901301] br0: port 4(sender) entered blocking state
[  737.901370] br0: port 4(sender) entered disabled state
[  737.901432] sender: entered allmulticast mode
[  737.901515] sender: entered promiscuous mode
[  737.919581] br0: port 4(sender) entered blocking state
[  737.919641] br0: port 4(sender) entered forwarding state
[  737.919687] br0: port 3(c3) entered blocking state
[  737.919728] br0: port 3(c3) entered forwarding state
[  737.919768] br0: port 2(c2) entered blocking state
[  737.919805] br0: port 2(c2) entered forwarding state
[  737.919841] br0: port 1(c1) entered blocking state
[  737.919876] br0: port 1(c1) entered forwarding state
[  748.671111] br0: port 1(c1) entered disabled state
[  748.671497] c1 (unregistering): left allmulticast mode
[  748.671566] c1 (unregistering): left promiscuous mode
[  748.671629] br0: port 1(c1) entered disabled state
[  748.716101] br0: port 2(c2) entered disabled state
[  748.716438] c2 (unregistering): left allmulticast mode
[  748.716537] c2 (unregistering): left promiscuous mode
[  748.716599] br0: port 2(c2) entered disabled state
[  748.765202] br0: port 3(c3) entered disabled state
[  748.765598] c3 (unregistering): left allmulticast mode
[  748.765714] c3 (unregistering): left promiscuous mode
[  748.765781] br0: port 3(c3) entered disabled state
[  748.820127] br0: port 4(sender) entered disabled state
[  748.820480] sender (unregistering): left allmulticast mode
[  748.820572] sender (unregistering): left promiscuous mode
[  748.820634] br0: port 4(sender) entered disabled state