[  750.085478] br0: port 1(c1) entered blocking state
[  750.085558] br0: port 1(c1) entered disabled state
[  750.085625] c1: entered allmulticast mode
[  750.085711] c1: entered promiscuous mode
[  750.146739] br0: port 2(c2) entered blocking state
[  750.146865] br0: port 2(c2) entered disabled state
[  750.146966] c2: entered allmulticast mode
[  750.147076] c2: entered promiscuous mode
[  750.199517] br0: port 3(c3) entered blocking state
[  750.199588] br0: port 3(c3) entered disabled state
[  750.199659] c3: entered allmulticast mode
[  750.199755] c3: entered promiscuous mode
[  750.249947] br0: port 4(sender) entered blocking state
[  750.250038] br0: port 4(sender) entered disabled state
[  750.250123] sender: entered allmulticast mode
[  750.250237] sender: entered promiscuous mode
[  750.270368] br0: port 4(sender) entered blocking state
[  750.270456] br0: port 4(sender) entered forwarding state
[  750.270520] br0: port 3(c3) entered blocking state
[  750.270575] br0: port 3(c3) entered forwarding state
[  750.270633] br0: port 2(c2) entered blocking state
[  750.270688] br0: port 2(c2) entered forwarding state
[  750.270746] br0: port 1(c1) entered blocking state
[  750.270800] br0: port 1(c1) entered forwarding state
[  761.037442] br0: port 1(c1) entered disabled state
[  761.037729] c1 (unregistering): left allmulticast mode
[  761.037786] c1 (unregistering): left promiscuous mode
[  761.037836] br0: port 1(c1) entered disabled state
[  761.071463] br0: port 2(c2) entered disabled state
[  761.071752] c2 (unregistering): left allmulticast mode
[  761.071817] c2 (unregistering): left promiscuous mode
[  761.071873] br0: port 2(c2) entered disabled state
[  761.116429] br0: port 3(c3) entered disabled state
[  761.116713] c3 (unregistering): left allmulticast mode
[  761.116756] c3 (unregistering): left promiscuous mode
[  761.116795] br0: port 3(c3) entered disabled state
[  761.159459] br0: port 4(sender) entered disabled state
[  761.159762] sender (unregistering): left allmulticast mode
[  761.159823] sender (unregistering): left promiscuous mode
[  761.159874] br0: port 4(sender) entered disabled state