[  720.823589] br0: port 1(c1) entered blocking state
[  720.823656] br0: port 1(c1) entered disabled state
[  720.823714] c1: entered allmulticast mode
[  720.823789] c1: entered promiscuous mode
[  720.874843] br0: port 2(c2) entered blocking state
[  720.874906] br0: port 2(c2) entered disabled state
[  720.874963] c2: entered allmulticast mode
[  720.875033] c2: entered promiscuous mode
[  720.929229] br0: port 3(c3) entered blocking state
[  720.929301] br0: port 3(c3) entered disabled state
[  720.929363] c3: entered allmulticast mode
[  720.929445] c3: entered promiscuous mode
[  720.984469] br0: port 4(sender) entered blocking state
[  720.984541] br0: port 4(sender) entered disabled state
[  720.984598] sender: entered allmulticast mode
[  720.984692] sender: entered promiscuous mode
[  721.004952] br0: port 4(sender) entered blocking state
[  721.005018] br0: port 4(sender) entered forwarding state
[  721.005072] br0: port 3(c3) entered blocking state
[  721.005112] br0: port 3(c3) entered forwarding state
[  721.005155] br0: port 2(c2) entered blocking state
[  721.005250] br0: port 2(c2) entered forwarding state
[  721.005300] br0: port 1(c1) entered blocking state
[  721.005363] br0: port 1(c1) entered forwarding state
[  731.729949] br0: port 1(c1) entered disabled state
[  731.730536] c1 (unregistering): left allmulticast mode
[  731.730622] c1 (unregistering): left promiscuous mode
[  731.730690] br0: port 1(c1) entered disabled state
[  731.774973] br0: port 2(c2) entered disabled state
[  731.775357] c2 (unregistering): left allmulticast mode
[  731.775441] c2 (unregistering): left promiscuous mode
[  731.775505] br0: port 2(c2) entered disabled state
[  731.823936] br0: port 3(c3) entered disabled state
[  731.824250] c3 (unregistering): left allmulticast mode
[  731.824330] c3 (unregistering): left promiscuous mode
[  731.824390] br0: port 3(c3) entered disabled state
[  731.866988] br0: port 4(sender) entered disabled state
[  731.867297] sender (unregistering): left allmulticast mode
[  731.867394] sender (unregistering): left promiscuous mode
[  731.867477] br0: port 4(sender) entered disabled state