[  750.261632] br0: port 1(c1) entered blocking state
[  750.261706] br0: port 1(c1) entered disabled state
[  750.261774] c1: entered allmulticast mode
[  750.261889] c1: entered promiscuous mode
[  750.316673] br0: port 2(c2) entered blocking state
[  750.316749] br0: port 2(c2) entered disabled state
[  750.316819] c2: entered allmulticast mode
[  750.316915] c2: entered promiscuous mode
[  750.368933] br0: port 3(c3) entered blocking state
[  750.369027] br0: port 3(c3) entered disabled state
[  750.369101] c3: entered allmulticast mode
[  750.369194] c3: entered promiscuous mode
[  750.421000] br0: port 4(sender) entered blocking state
[  750.421084] br0: port 4(sender) entered disabled state
[  750.421165] sender: entered allmulticast mode
[  750.421258] sender: entered promiscuous mode
[  750.442173] br0: port 4(sender) entered blocking state
[  750.442258] br0: port 4(sender) entered forwarding state
[  750.442315] br0: port 3(c3) entered blocking state
[  750.442376] br0: port 3(c3) entered forwarding state
[  750.442431] br0: port 2(c2) entered blocking state
[  750.442482] br0: port 2(c2) entered forwarding state
[  750.442537] br0: port 1(c1) entered blocking state
[  750.442591] br0: port 1(c1) entered forwarding state
[  761.172354] br0: port 1(c1) entered disabled state
[  761.172742] c1 (unregistering): left allmulticast mode
[  761.172800] c1 (unregistering): left promiscuous mode
[  761.172848] br0: port 1(c1) entered disabled state
[  761.218203] br0: port 2(c2) entered disabled state
[  761.218553] c2 (unregistering): left allmulticast mode
[  761.218629] c2 (unregistering): left promiscuous mode
[  761.218692] br0: port 2(c2) entered disabled state
[  761.265237] br0: port 3(c3) entered disabled state
[  761.265897] c3 (unregistering): left allmulticast mode
[  761.265967] c3 (unregistering): left promiscuous mode
[  761.266030] br0: port 3(c3) entered disabled state
[  761.313216] br0: port 4(sender) entered disabled state
[  761.313519] sender (unregistering): left allmulticast mode
[  761.313567] sender (unregistering): left promiscuous mode
[  761.313611] br0: port 4(sender) entered disabled state