[   12.186199] ip (1921) used greatest stack depth: 12136 bytes left
[   12.246056] br0: port 1(c1) entered blocking state
[   12.246095] br0: port 1(c1) entered disabled state
[   12.246131] c1: entered allmulticast mode
[   12.246170] c1: entered promiscuous mode
[   12.258222] br0: port 2(c2) entered blocking state
[   12.258261] br0: port 2(c2) entered disabled state
[   12.258289] c2: entered allmulticast mode
[   12.258326] c2: entered promiscuous mode
[   12.270354] br0: port 3(c3) entered blocking state
[   12.270391] br0: port 3(c3) entered disabled state
[   12.270425] c3: entered allmulticast mode
[   12.270461] c3: entered promiscuous mode
[   12.282513] br0: port 4(sender) entered blocking state
[   12.282549] br0: port 4(sender) entered disabled state
[   12.282583] sender: entered allmulticast mode
[   12.282626] sender: entered promiscuous mode
[   12.287307] br0: port 4(sender) entered blocking state
[   12.287342] br0: port 4(sender) entered forwarding state
[   12.287371] br0: port 3(c3) entered blocking state
[   12.287400] br0: port 3(c3) entered forwarding state
[   12.287436] br0: port 2(c2) entered blocking state
[   12.287465] br0: port 2(c2) entered forwarding state
[   12.287492] br0: port 1(c1) entered blocking state
[   12.287522] br0: port 1(c1) entered forwarding state
[   22.937954] br0: port 1(c1) entered disabled state
[   22.938136] c1 (unregistering): left allmulticast mode
[   22.938170] c1 (unregistering): left promiscuous mode
[   22.938202] br0: port 1(c1) entered disabled state
[   22.961938] br0: port 2(c2) entered disabled state
[   22.962081] c2 (unregistering): left allmulticast mode
[   22.962117] c2 (unregistering): left promiscuous mode
[   22.962148] br0: port 2(c2) entered disabled state
[   22.976957] sender: left allmulticast mode
[   22.976988] sender: left promiscuous mode
[   22.977021] br0: port 4(sender) entered disabled state
[   22.977143] c3: left allmulticast mode
[   22.977168] c3: left promiscuous mode
[   22.977194] br0: port 3(c3) entered disabled state