[   11.116239] br0: port 1(c1) entered blocking state
[   11.116293] br0: port 1(c1) entered disabled state
[   11.116327] c1: entered allmulticast mode
[   11.116374] c1: entered promiscuous mode
[   11.134605] br0: port 2(c2) entered blocking state
[   11.134653] br0: port 2(c2) entered disabled state
[   11.134687] c2: entered allmulticast mode
[   11.134730] c2: entered promiscuous mode
[   11.153383] br0: port 3(c3) entered blocking state
[   11.153432] br0: port 3(c3) entered disabled state
[   11.153463] c3: entered allmulticast mode
[   11.153507] c3: entered promiscuous mode
[   11.172009] br0: port 4(sender) entered blocking state
[   11.172055] br0: port 4(sender) entered disabled state
[   11.172096] sender: entered allmulticast mode
[   11.172145] sender: entered promiscuous mode
[   11.179458] br0: port 4(sender) entered blocking state
[   11.179501] br0: port 4(sender) entered forwarding state
[   11.179533] br0: port 3(c3) entered blocking state
[   11.179564] br0: port 3(c3) entered forwarding state
[   11.179597] br0: port 2(c2) entered blocking state
[   11.179628] br0: port 2(c2) entered forwarding state
[   11.179659] br0: port 1(c1) entered blocking state
[   11.179691] br0: port 1(c1) entered forwarding state
[   21.847808] br0: port 1(c1) entered disabled state
[   21.848063] c1 (unregistering): left allmulticast mode
[   21.848176] c1 (unregistering): left promiscuous mode
[   21.848261] br0: port 1(c1) entered disabled state
[   21.861460] br0: port 2(c2) entered disabled state
[   21.861669] c2 (unregistering): left allmulticast mode
[   21.861749] c2 (unregistering): left promiscuous mode
[   21.861810] br0: port 2(c2) entered disabled state
[   21.874687] br0: port 3(c3) entered disabled state
[   21.874901] c3 (unregistering): left allmulticast mode
[   21.874988] c3 (unregistering): left promiscuous mode
[   21.875065] br0: port 3(c3) entered disabled state
[   21.887585] br0: port 4(sender) entered disabled state
[   21.887818] sender (unregistering): left allmulticast mode
[   21.887882] sender (unregistering): left promiscuous mode
[   21.887944] br0: port 4(sender) entered disabled state