[   39.043933][  T744] br0: port 1(c1) entered blocking state
[   39.044121][  T744] br0: port 1(c1) entered disabled state
[   39.044286][  T744] c1: entered allmulticast mode
[   39.045995][  T744] c1: entered promiscuous mode
[   39.185759][  T749] br0: port 2(c2) entered blocking state
[   39.185974][  T749] br0: port 2(c2) entered disabled state
[   39.186183][  T749] c2: entered allmulticast mode
[   39.188192][  T749] c2: entered promiscuous mode
[   39.313519][  T754] br0: port 3(c3) entered blocking state
[   39.313681][  T754] br0: port 3(c3) entered disabled state
[   39.313831][  T754] c3: entered allmulticast mode
[   39.315205][  T754] c3: entered promiscuous mode
[   39.442679][  T759] br0: port 4(sender) entered blocking state
[   39.442869][  T759] br0: port 4(sender) entered disabled state
[   39.443052][  T759] sender: entered allmulticast mode
[   39.444449][  T759] sender: entered promiscuous mode
[   39.491525][  T761] br0: port 4(sender) entered blocking state
[   39.491850][  T761] br0: port 4(sender) entered forwarding state
[   39.492403][  T761] br0: port 3(c3) entered blocking state
[   39.492659][  T761] br0: port 3(c3) entered forwarding state
[   39.492996][  T761] br0: port 2(c2) entered blocking state
[   39.493178][  T761] br0: port 2(c2) entered forwarding state
[   39.493529][  T761] br0: port 1(c1) entered blocking state
[   39.493715][  T761] br0: port 1(c1) entered forwarding state
[   50.733314][   T12] br0: port 1(c1) entered disabled state
[   50.742963][   T12] c1 (unregistering): left allmulticast mode
[   50.743230][   T12] c1 (unregistering): left promiscuous mode
[   50.743502][   T12] br0: port 1(c1) entered disabled state
[   50.869907][   T12] br0: port 2(c2) entered disabled state
[   50.879066][   T12] c2 (unregistering): left allmulticast mode
[   50.879256][   T12] c2 (unregistering): left promiscuous mode
[   50.879718][   T12] br0: port 2(c2) entered disabled state
[   51.004018][   T12] br0: port 3(c3) entered disabled state
[   51.012809][   T12] c3 (unregistering): left allmulticast mode
[   51.012997][   T12] c3 (unregistering): left promiscuous mode
[   51.013164][   T12] br0: port 3(c3) entered disabled state
[   51.144013][   T12] br0: port 4(sender) entered disabled state
[   51.153435][   T12] sender (unregistering): left allmulticast mode
[   51.153633][   T12] sender (unregistering): left promiscuous mode
[   51.153804][   T12] br0: port 4(sender) entered disabled state