[  973.365475][T31154] br0: port 1(c1) entered blocking state
[  973.365672][T31154] br0: port 1(c1) entered disabled state
[  973.365858][T31154] c1: entered allmulticast mode
[  973.367366][T31154] c1: entered promiscuous mode
[  973.525812][T31159] br0: port 2(c2) entered blocking state
[  973.525980][T31159] br0: port 2(c2) entered disabled state
[  973.526139][T31159] c2: entered allmulticast mode
[  973.527793][T31159] c2: entered promiscuous mode
[  973.687510][T31164] br0: port 3(c3) entered blocking state
[  973.687696][T31164] br0: port 3(c3) entered disabled state
[  973.687897][T31164] c3: entered allmulticast mode
[  973.689462][T31164] c3: entered promiscuous mode
[  973.856092][T31169] br0: port 4(sender) entered blocking state
[  973.856315][T31169] br0: port 4(sender) entered disabled state
[  973.856494][T31169] sender: entered allmulticast mode
[  973.858833][T31169] sender: entered promiscuous mode
[  973.900819][T31171] br0: port 4(sender) entered blocking state
[  973.901013][T31171] br0: port 4(sender) entered forwarding state
[  973.901330][T31171] br0: port 3(c3) entered blocking state
[  973.901475][T31171] br0: port 3(c3) entered forwarding state
[  973.901756][T31171] br0: port 2(c2) entered blocking state
[  973.901897][T31171] br0: port 2(c2) entered forwarding state
[  973.902163][T31171] br0: port 1(c1) entered blocking state
[  973.902315][T31171] br0: port 1(c1) entered forwarding state
[  985.046256][   T12] br0: port 1(c1) entered disabled state
[  985.059764][   T12] c1 (unregistering): left allmulticast mode
[  985.060035][   T12] c1 (unregistering): left promiscuous mode
[  985.060286][   T12] br0: port 1(c1) entered disabled state
[  985.195072][   T12] br0: port 2(c2) entered disabled state
[  985.205697][   T12] c2 (unregistering): left allmulticast mode
[  985.205976][   T12] c2 (unregistering): left promiscuous mode
[  985.206318][   T12] br0: port 2(c2) entered disabled state
[  985.353601][   T12] br0: port 3(c3) entered disabled state
[  985.364728][   T12] c3 (unregistering): left allmulticast mode
[  985.365048][   T12] c3 (unregistering): left promiscuous mode
[  985.365312][   T12] br0: port 3(c3) entered disabled state
[  985.512986][   T12] br0: port 4(sender) entered disabled state
[  985.527990][   T12] sender (unregistering): left allmulticast mode
[  985.528198][   T12] sender (unregistering): left promiscuous mode
[  985.528386][   T12] br0: port 4(sender) entered disabled state