[  909.127919][  T451] br0: port 1(c1) entered blocking state
[  909.128171][  T451] br0: port 1(c1) entered disabled state
[  909.128390][  T451] c1: entered allmulticast mode
[  909.130001][  T451] c1: entered promiscuous mode
[  909.277575][  T456] br0: port 2(c2) entered blocking state
[  909.277762][  T456] br0: port 2(c2) entered disabled state
[  909.277930][  T456] c2: entered allmulticast mode
[  909.279480][  T456] c2: entered promiscuous mode
[  909.437980][  T461] br0: port 3(c3) entered blocking state
[  909.438588][  T461] br0: port 3(c3) entered disabled state
[  909.438807][  T461] c3: entered allmulticast mode
[  909.440373][  T461] c3: entered promiscuous mode
[  909.573992][  T466] br0: port 4(sender) entered blocking state
[  909.574699][  T466] br0: port 4(sender) entered disabled state
[  909.574942][  T466] sender: entered allmulticast mode
[  909.576532][  T466] sender: entered promiscuous mode
[  909.633410][  T468] br0: port 4(sender) entered blocking state
[  909.633670][  T468] br0: port 4(sender) entered forwarding state
[  909.634062][  T468] br0: port 3(c3) entered blocking state
[  909.634272][  T468] br0: port 3(c3) entered forwarding state
[  909.634636][  T468] br0: port 2(c2) entered blocking state
[  909.634827][  T468] br0: port 2(c2) entered forwarding state
[  909.635196][  T468] br0: port 1(c1) entered blocking state
[  909.635386][  T468] br0: port 1(c1) entered forwarding state
[  920.562470][   T73] br0: port 1(c1) entered disabled state
[  920.566013][   T73] c1 (unregistering): left allmulticast mode
[  920.566229][   T73] c1 (unregistering): left promiscuous mode
[  920.566405][   T73] br0: port 1(c1) entered disabled state
[  920.679666][   T73] br0: port 2(c2) entered disabled state
[  920.681909][   T73] c2 (unregistering): left allmulticast mode
[  920.682103][   T73] c2 (unregistering): left promiscuous mode
[  920.682287][   T73] br0: port 2(c2) entered disabled state
[  920.782378][   T73] br0: port 3(c3) entered disabled state
[  920.794838][   T73] c3 (unregistering): left allmulticast mode
[  920.795044][   T73] c3 (unregistering): left promiscuous mode
[  920.795222][   T73] br0: port 3(c3) entered disabled state
[  920.882907][   T73] br0: port 4(sender) entered disabled state
[  920.892540][   T73] sender (unregistering): left allmulticast mode
[  920.892733][   T73] sender (unregistering): left promiscuous mode
[  920.892907][   T73] br0: port 4(sender) entered disabled state