[  720.463475] br0: port 1(c1) entered blocking state
[  720.463540] br0: port 1(c1) entered disabled state
[  720.463591] c1: entered allmulticast mode
[  720.463660] c1: entered promiscuous mode
[  720.509889] br0: port 2(c2) entered blocking state
[  720.509956] br0: port 2(c2) entered disabled state
[  720.510016] c2: entered allmulticast mode
[  720.510089] c2: entered promiscuous mode
[  720.554021] br0: port 3(c3) entered blocking state
[  720.554082] br0: port 3(c3) entered disabled state
[  720.554141] c3: entered allmulticast mode
[  720.554210] c3: entered promiscuous mode
[  720.598880] br0: port 4(sender) entered blocking state
[  720.598963] br0: port 4(sender) entered disabled state
[  720.599028] sender: entered allmulticast mode
[  720.599145] sender: entered promiscuous mode
[  720.616852] br0: port 4(sender) entered blocking state
[  720.616925] br0: port 4(sender) entered forwarding state
[  720.616986] br0: port 3(c3) entered blocking state
[  720.617042] br0: port 3(c3) entered forwarding state
[  720.617093] br0: port 2(c2) entered blocking state
[  720.617148] br0: port 2(c2) entered forwarding state
[  720.617207] br0: port 1(c1) entered blocking state
[  720.617261] br0: port 1(c1) entered forwarding state
[  731.320006] br0: port 1(c1) entered disabled state
[  731.320494] c1 (unregistering): left allmulticast mode
[  731.320556] c1 (unregistering): left promiscuous mode
[  731.320604] br0: port 1(c1) entered disabled state
[  731.347932] br0: port 2(c2) entered disabled state
[  731.348183] c2 (unregistering): left allmulticast mode
[  731.348243] c2 (unregistering): left promiscuous mode
[  731.348291] br0: port 2(c2) entered disabled state
[  731.382981] br0: port 3(c3) entered disabled state
[  731.383424] c3 (unregistering): left allmulticast mode
[  731.383480] c3 (unregistering): left promiscuous mode
[  731.383520] br0: port 3(c3) entered disabled state
[  731.417896] br0: port 4(sender) entered disabled state
[  731.418137] sender (unregistering): left allmulticast mode
[  731.418180] sender (unregistering): left promiscuous mode
[  731.418224] br0: port 4(sender) entered disabled state