[  874.397371][T31554] br0: port 1(c1) entered blocking state
[  874.397556][T31554] br0: port 1(c1) entered disabled state
[  874.397731][T31554] c1: entered allmulticast mode
[  874.399224][T31554] c1: entered promiscuous mode
[  874.546875][T31559] br0: port 2(c2) entered blocking state
[  874.548084][T31559] br0: port 2(c2) entered disabled state
[  874.548304][T31559] c2: entered allmulticast mode
[  874.549928][T31559] c2: entered promiscuous mode
[  874.692698][T31564] br0: port 3(c3) entered blocking state
[  874.692992][T31564] br0: port 3(c3) entered disabled state
[  874.693256][T31564] c3: entered allmulticast mode
[  874.694898][T31564] c3: entered promiscuous mode
[  874.832961][T31569] br0: port 4(sender) entered blocking state
[  874.833220][T31569] br0: port 4(sender) entered disabled state
[  874.833478][T31569] sender: entered allmulticast mode
[  874.835869][T31569] sender: entered promiscuous mode
[  874.895575][T31571] br0: port 4(sender) entered blocking state
[  874.895846][T31571] br0: port 4(sender) entered forwarding state
[  874.896268][T31571] br0: port 3(c3) entered blocking state
[  874.896488][T31571] br0: port 3(c3) entered forwarding state
[  874.896853][T31571] br0: port 2(c2) entered blocking state
[  874.897071][T31571] br0: port 2(c2) entered forwarding state
[  874.897450][T31571] br0: port 1(c1) entered blocking state
[  874.897656][T31571] br0: port 1(c1) entered forwarding state
[  885.864957][   T73] br0: port 1(c1) entered disabled state
[  885.868044][   T73] c1 (unregistering): left allmulticast mode
[  885.868248][   T73] c1 (unregistering): left promiscuous mode
[  885.868430][   T73] br0: port 1(c1) entered disabled state
[  885.977869][   T73] br0: port 2(c2) entered disabled state
[  885.980479][   T73] c2 (unregistering): left allmulticast mode
[  885.980795][   T73] c2 (unregistering): left promiscuous mode
[  885.980981][   T73] br0: port 2(c2) entered disabled state
[  886.088003][   T73] br0: port 3(c3) entered disabled state
[  886.090068][   T73] c3 (unregistering): left allmulticast mode
[  886.090253][   T73] c3 (unregistering): left promiscuous mode
[  886.090428][   T73] br0: port 3(c3) entered disabled state
[  886.193282][   T73] br0: port 4(sender) entered disabled state
[  886.196086][   T73] sender (unregistering): left allmulticast mode
[  886.196273][   T73] sender (unregistering): left promiscuous mode
[  886.196442][   T73] br0: port 4(sender) entered disabled state