[  720.113347] br0: port 1(c1) entered blocking state
[  720.113414] br0: port 1(c1) entered disabled state
[  720.113481] c1: entered allmulticast mode
[  720.113557] c1: entered promiscuous mode
[  720.169440] br0: port 2(c2) entered blocking state
[  720.169517] br0: port 2(c2) entered disabled state
[  720.169589] c2: entered allmulticast mode
[  720.169666] c2: entered promiscuous mode
[  720.225230] br0: port 3(c3) entered blocking state
[  720.225294] br0: port 3(c3) entered disabled state
[  720.225355] c3: entered allmulticast mode
[  720.225430] c3: entered promiscuous mode
[  720.281466] br0: port 4(sender) entered blocking state
[  720.281530] br0: port 4(sender) entered disabled state
[  720.281586] sender: entered allmulticast mode
[  720.281684] sender: entered promiscuous mode
[  720.304115] br0: port 4(sender) entered blocking state
[  720.304168] br0: port 4(sender) entered forwarding state
[  720.304210] br0: port 3(c3) entered blocking state
[  720.304260] br0: port 3(c3) entered forwarding state
[  720.304306] br0: port 2(c2) entered blocking state
[  720.304355] br0: port 2(c2) entered forwarding state
[  720.304409] br0: port 1(c1) entered blocking state
[  720.304461] br0: port 1(c1) entered forwarding state
[  731.068120] br0: port 1(c1) entered disabled state
[  731.068488] c1 (unregistering): left allmulticast mode
[  731.068553] c1 (unregistering): left promiscuous mode
[  731.068601] br0: port 1(c1) entered disabled state
[  731.123094] br0: port 2(c2) entered disabled state
[  731.123437] c2 (unregistering): left allmulticast mode
[  731.123513] c2 (unregistering): left promiscuous mode
[  731.123570] br0: port 2(c2) entered disabled state
[  731.172097] br0: port 3(c3) entered disabled state
[  731.172377] c3 (unregistering): left allmulticast mode
[  731.172438] c3 (unregistering): left promiscuous mode
[  731.172486] br0: port 3(c3) entered disabled state
[  731.202067] br0: port 4(sender) entered disabled state
[  731.202373] sender (unregistering): left allmulticast mode
[  731.202459] sender (unregistering): left promiscuous mode
[  731.202520] br0: port 4(sender) entered disabled state