[  720.506997] br0: port 1(c1) entered blocking state
[  720.507073] br0: port 1(c1) entered disabled state
[  720.507133] c1: entered allmulticast mode
[  720.507212] c1: entered promiscuous mode
[  720.563688] br0: port 2(c2) entered blocking state
[  720.563772] br0: port 2(c2) entered disabled state
[  720.563851] c2: entered allmulticast mode
[  720.563956] c2: entered promiscuous mode
[  720.620409] br0: port 3(c3) entered blocking state
[  720.620478] br0: port 3(c3) entered disabled state
[  720.620536] c3: entered allmulticast mode
[  720.620609] c3: entered promiscuous mode
[  720.678558] br0: port 4(sender) entered blocking state
[  720.678651] br0: port 4(sender) entered disabled state
[  720.678732] sender: entered allmulticast mode
[  720.678843] sender: entered promiscuous mode
[  720.702521] br0: port 4(sender) entered blocking state
[  720.702611] br0: port 4(sender) entered forwarding state
[  720.702679] br0: port 3(c3) entered blocking state
[  720.702746] br0: port 3(c3) entered forwarding state
[  720.702806] br0: port 2(c2) entered blocking state
[  720.702868] br0: port 2(c2) entered forwarding state
[  720.702932] br0: port 1(c1) entered blocking state
[  720.702984] br0: port 1(c1) entered forwarding state
[  731.453219] br0: port 1(c1) entered disabled state
[  731.453499] c1 (unregistering): left allmulticast mode
[  731.453546] c1 (unregistering): left promiscuous mode
[  731.453593] br0: port 1(c1) entered disabled state
[  731.500259] br0: port 2(c2) entered disabled state
[  731.500538] c2 (unregistering): left allmulticast mode
[  731.500587] c2 (unregistering): left promiscuous mode
[  731.500627] br0: port 2(c2) entered disabled state
[  731.540189] br0: port 3(c3) entered disabled state
[  731.540433] c3 (unregistering): left allmulticast mode
[  731.540486] c3 (unregistering): left promiscuous mode
[  731.540532] br0: port 3(c3) entered disabled state
[  731.586188] br0: port 4(sender) entered disabled state
[  731.586431] sender (unregistering): left allmulticast mode
[  731.586486] sender (unregistering): left promiscuous mode
[  731.586537] br0: port 4(sender) entered disabled state