[  671.043796] br0: port 1(c1) entered blocking state
[  671.043874] br0: port 1(c1) entered disabled state
[  671.043928] c1: entered allmulticast mode
[  671.044014] c1: entered promiscuous mode
[  671.091193] br0: port 2(c2) entered blocking state
[  671.091255] br0: port 2(c2) entered disabled state
[  671.091315] c2: entered allmulticast mode
[  671.091385] c2: entered promiscuous mode
[  671.134289] br0: port 3(c3) entered blocking state
[  671.134353] br0: port 3(c3) entered disabled state
[  671.134404] c3: entered allmulticast mode
[  671.134477] c3: entered promiscuous mode
[  671.176909] br0: port 4(sender) entered blocking state
[  671.176970] br0: port 4(sender) entered disabled state
[  671.177027] sender: entered allmulticast mode
[  671.177121] sender: entered promiscuous mode
[  671.195611] br0: port 4(sender) entered blocking state
[  671.195670] br0: port 4(sender) entered forwarding state
[  671.195716] br0: port 3(c3) entered blocking state
[  671.195756] br0: port 3(c3) entered forwarding state
[  671.195804] br0: port 2(c2) entered blocking state
[  671.195854] br0: port 2(c2) entered forwarding state
[  671.195905] br0: port 1(c1) entered blocking state
[  671.195946] br0: port 1(c1) entered forwarding state
[  681.916454] br0: port 1(c1) entered disabled state
[  681.916742] c1 (unregistering): left allmulticast mode
[  681.916814] c1 (unregistering): left promiscuous mode
[  681.916865] br0: port 1(c1) entered disabled state
[  681.961442] br0: port 2(c2) entered disabled state
[  681.961781] c2 (unregistering): left allmulticast mode
[  681.961848] c2 (unregistering): left promiscuous mode
[  681.961896] br0: port 2(c2) entered disabled state
[  682.012443] br0: port 3(c3) entered disabled state
[  682.012766] c3 (unregistering): left allmulticast mode
[  682.012837] c3 (unregistering): left promiscuous mode
[  682.012896] br0: port 3(c3) entered disabled state
[  682.051441] br0: port 4(sender) entered disabled state
[  682.052079] sender (unregistering): left allmulticast mode
[  682.052147] sender (unregistering): left promiscuous mode
[  682.052189] br0: port 4(sender) entered disabled state