[   38.835386] ip (2132) used greatest stack depth: 12344 bytes left
[   38.874168] br0: port 1(c1) entered blocking state
[   38.874216] br0: port 1(c1) entered disabled state
[   38.874258] c1: entered allmulticast mode
[   38.874311] c1: entered promiscuous mode
[   38.936331] br0: port 2(c2) entered blocking state
[   38.936376] br0: port 2(c2) entered disabled state
[   38.936419] c2: entered allmulticast mode
[   38.936470] c2: entered promiscuous mode
[   39.000078] br0: port 3(c3) entered blocking state
[   39.000123] br0: port 3(c3) entered disabled state
[   39.000167] c3: entered allmulticast mode
[   39.000220] c3: entered promiscuous mode
[   39.062965] br0: port 4(sender) entered blocking state
[   39.063011] br0: port 4(sender) entered disabled state
[   39.063054] sender: entered allmulticast mode
[   39.063117] sender: entered promiscuous mode
[   39.089236] br0: port 4(sender) entered blocking state
[   39.089280] br0: port 4(sender) entered forwarding state
[   39.089323] br0: port 3(c3) entered blocking state
[   39.089362] br0: port 3(c3) entered forwarding state
[   39.089402] br0: port 2(c2) entered blocking state
[   39.089437] br0: port 2(c2) entered forwarding state
[   39.089470] br0: port 1(c1) entered blocking state
[   39.089505] br0: port 1(c1) entered forwarding state
[   49.928868] br0: port 1(c1) entered disabled state
[   49.929105] c1 (unregistering): left allmulticast mode
[   49.929147] c1 (unregistering): left promiscuous mode
[   49.929180] br0: port 1(c1) entered disabled state
[   49.978892] br0: port 2(c2) entered disabled state
[   49.979078] c2 (unregistering): left allmulticast mode
[   49.979120] c2 (unregistering): left promiscuous mode
[   49.979157] br0: port 2(c2) entered disabled state
[   50.025867] br0: port 3(c3) entered disabled state
[   50.026062] c3 (unregistering): left allmulticast mode
[   50.026110] c3 (unregistering): left promiscuous mode
[   50.026153] br0: port 3(c3) entered disabled state
[   50.071905] br0: port 4(sender) entered disabled state
[   50.072097] sender (unregistering): left allmulticast mode
[   50.072140] sender (unregistering): left promiscuous mode
[   50.072177] br0: port 4(sender) entered disabled state