[  720.794541] br0: port 1(c1) entered blocking state
[  720.794616] br0: port 1(c1) entered disabled state
[  720.794684] c1: entered allmulticast mode
[  720.794766] c1: entered promiscuous mode
[  720.852600] br0: port 2(c2) entered blocking state
[  720.852683] br0: port 2(c2) entered disabled state
[  720.852750] c2: entered allmulticast mode
[  720.852856] c2: entered promiscuous mode
[  720.904676] br0: port 3(c3) entered blocking state
[  720.904828] br0: port 3(c3) entered disabled state
[  720.904911] c3: entered allmulticast mode
[  720.905020] c3: entered promiscuous mode
[  720.952594] br0: port 4(sender) entered blocking state
[  720.952662] br0: port 4(sender) entered disabled state
[  720.952714] sender: entered allmulticast mode
[  720.952791] sender: entered promiscuous mode
[  720.972592] br0: port 4(sender) entered blocking state
[  720.972695] br0: port 4(sender) entered forwarding state
[  720.972768] br0: port 3(c3) entered blocking state
[  720.972837] br0: port 3(c3) entered forwarding state
[  720.972907] br0: port 2(c2) entered blocking state
[  720.972972] br0: port 2(c2) entered forwarding state
[  720.973039] br0: port 1(c1) entered blocking state
[  720.973100] br0: port 1(c1) entered forwarding state
[  731.680005] br0: port 1(c1) entered disabled state
[  731.680293] c1 (unregistering): left allmulticast mode
[  731.680363] c1 (unregistering): left promiscuous mode
[  731.680399] br0: port 1(c1) entered disabled state
[  731.731982] br0: port 2(c2) entered disabled state
[  731.732310] c2 (unregistering): left allmulticast mode
[  731.732363] c2 (unregistering): left promiscuous mode
[  731.732419] br0: port 2(c2) entered disabled state
[  731.774975] br0: port 3(c3) entered disabled state
[  731.775270] c3 (unregistering): left allmulticast mode
[  731.775333] c3 (unregistering): left promiscuous mode
[  731.775391] br0: port 3(c3) entered disabled state
[  731.831016] br0: port 4(sender) entered disabled state
[  731.831338] sender (unregistering): left allmulticast mode
[  731.831393] sender (unregistering): left promiscuous mode
[  731.831444] br0: port 4(sender) entered disabled state