[   11.535962] br0: port 1(c1) entered blocking state
[   11.535994] br0: port 1(c1) entered disabled state
[   11.536018] c1: entered allmulticast mode
[   11.536054] c1: entered promiscuous mode
[   11.553507] br0: port 2(c2) entered blocking state
[   11.553555] br0: port 2(c2) entered disabled state
[   11.553605] c2: entered allmulticast mode
[   11.553668] c2: entered promiscuous mode
[   11.561427] ip (1911) used greatest stack depth: 11992 bytes left
[   11.571156] br0: port 3(c3) entered blocking state
[   11.571202] br0: port 3(c3) entered disabled state
[   11.571253] c3: entered allmulticast mode
[   11.571316] c3: entered promiscuous mode
[   11.588725] br0: port 4(sender) entered blocking state
[   11.588753] br0: port 4(sender) entered disabled state
[   11.588773] sender: entered allmulticast mode
[   11.588808] sender: entered promiscuous mode
[   11.595627] br0: port 4(sender) entered blocking state
[   11.595646] br0: port 4(sender) entered forwarding state
[   11.595665] br0: port 3(c3) entered blocking state
[   11.595681] br0: port 3(c3) entered forwarding state
[   11.595697] br0: port 2(c2) entered blocking state
[   11.595713] br0: port 2(c2) entered forwarding state
[   11.595732] br0: port 1(c1) entered blocking state
[   11.595753] br0: port 1(c1) entered forwarding state
[   22.287769] br0: port 1(c1) entered disabled state
[   22.288012] c1 (unregistering): left allmulticast mode
[   22.288035] c1 (unregistering): left promiscuous mode
[   22.288058] br0: port 1(c1) entered disabled state
[   22.301973] br0: port 2(c2) entered disabled state
[   22.302148] c2 (unregistering): left allmulticast mode
[   22.302165] c2 (unregistering): left promiscuous mode
[   22.302180] br0: port 2(c2) entered disabled state
[   22.316902] br0: port 3(c3) entered disabled state
[   22.317072] c3 (unregistering): left allmulticast mode
[   22.317104] c3 (unregistering): left promiscuous mode
[   22.317121] br0: port 3(c3) entered disabled state
[   22.330645] br0: port 4(sender) entered disabled state
[   22.330850] sender (unregistering): left allmulticast mode
[   22.330875] sender (unregistering): left promiscuous mode
[   22.330892] br0: port 4(sender) entered disabled state