[  870.080037][T31926] br0: port 1(c1) entered blocking state
[  870.080248][T31926] br0: port 1(c1) entered disabled state
[  870.080414][T31926] c1: entered allmulticast mode
[  870.082620][T31926] c1: entered promiscuous mode
[  870.226496][T31931] br0: port 2(c2) entered blocking state
[  870.226677][T31931] br0: port 2(c2) entered disabled state
[  870.226840][T31931] c2: entered allmulticast mode
[  870.228535][T31931] c2: entered promiscuous mode
[  870.382528][T31936] br0: port 3(c3) entered blocking state
[  870.382707][T31936] br0: port 3(c3) entered disabled state
[  870.382873][T31936] c3: entered allmulticast mode
[  870.384546][T31936] c3: entered promiscuous mode
[  870.530883][T31941] br0: port 4(sender) entered blocking state
[  870.531109][T31941] br0: port 4(sender) entered disabled state
[  870.531313][T31941] sender: entered allmulticast mode
[  870.532991][T31941] sender: entered promiscuous mode
[  870.587821][T31943] br0: port 4(sender) entered blocking state
[  870.588101][T31943] br0: port 4(sender) entered forwarding state
[  870.588550][T31943] br0: port 3(c3) entered blocking state
[  870.588766][T31943] br0: port 3(c3) entered forwarding state
[  870.589164][T31943] br0: port 2(c2) entered blocking state
[  870.589380][T31943] br0: port 2(c2) entered forwarding state
[  870.589773][T31943] br0: port 1(c1) entered blocking state
[  870.590072][T31943] br0: port 1(c1) entered forwarding state
[  881.613412][   T12] br0: port 1(c1) entered disabled state
[  881.615918][   T12] c1 (unregistering): left allmulticast mode
[  881.616198][   T12] c1 (unregistering): left promiscuous mode
[  881.616387][   T12] br0: port 1(c1) entered disabled state
[  881.743203][   T12] br0: port 2(c2) entered disabled state
[  881.746771][   T12] c2 (unregistering): left allmulticast mode
[  881.746977][   T12] c2 (unregistering): left promiscuous mode
[  881.747159][   T12] br0: port 2(c2) entered disabled state
[  881.867125][   T12] br0: port 3(c3) entered disabled state
[  881.869615][   T12] c3 (unregistering): left allmulticast mode
[  881.869816][   T12] c3 (unregistering): left promiscuous mode
[  881.870005][   T12] br0: port 3(c3) entered disabled state
[  881.981610][   T12] br0: port 4(sender) entered disabled state
[  881.993276][   T12] sender (unregistering): left allmulticast mode
[  881.993563][   T12] sender (unregistering): left promiscuous mode
[  881.993825][   T12] br0: port 4(sender) entered disabled state