[  741.759482] br0: port 1(c1) entered blocking state
[  741.759545] br0: port 1(c1) entered disabled state
[  741.759609] c1: entered allmulticast mode
[  741.759698] c1: entered promiscuous mode
[  741.814489] br0: port 2(c2) entered blocking state
[  741.814569] br0: port 2(c2) entered disabled state
[  741.814651] c2: entered allmulticast mode
[  741.814750] c2: entered promiscuous mode
[  741.872033] br0: port 3(c3) entered blocking state
[  741.872137] br0: port 3(c3) entered disabled state
[  741.872224] c3: entered allmulticast mode
[  741.872326] c3: entered promiscuous mode
[  741.932016] br0: port 4(sender) entered blocking state
[  741.932080] br0: port 4(sender) entered disabled state
[  741.932134] sender: entered allmulticast mode
[  741.932223] sender: entered promiscuous mode
[  741.954672] br0: port 4(sender) entered blocking state
[  741.954735] br0: port 4(sender) entered forwarding state
[  741.954791] br0: port 3(c3) entered blocking state
[  741.954829] br0: port 3(c3) entered forwarding state
[  741.954882] br0: port 2(c2) entered blocking state
[  741.954930] br0: port 2(c2) entered forwarding state
[  741.954973] br0: port 1(c1) entered blocking state
[  741.955009] br0: port 1(c1) entered forwarding state
[  752.684726] br0: port 1(c1) entered disabled state
[  752.685090] c1 (unregistering): left allmulticast mode
[  752.685203] c1 (unregistering): left promiscuous mode
[  752.685271] br0: port 1(c1) entered disabled state
[  752.734490] br0: port 2(c2) entered disabled state
[  752.734866] c2 (unregistering): left allmulticast mode
[  752.734964] c2 (unregistering): left promiscuous mode
[  752.735028] br0: port 2(c2) entered disabled state
[  752.781617] br0: port 3(c3) entered disabled state
[  752.781982] c3 (unregistering): left allmulticast mode
[  752.782077] c3 (unregistering): left promiscuous mode
[  752.782154] br0: port 3(c3) entered disabled state
[  752.834471] br0: port 4(sender) entered disabled state
[  752.834825] sender (unregistering): left allmulticast mode
[  752.834917] sender (unregistering): left promiscuous mode
[  752.835002] br0: port 4(sender) entered disabled state