[   25.454382] ip (2103) used greatest stack depth: 12104 bytes left
[   25.530964] br0: port 1(c1) entered blocking state
[   25.531056] br0: port 1(c1) entered disabled state
[   25.531131] c1: entered allmulticast mode
[   25.531212] c1: entered promiscuous mode
[   25.575599] br0: port 2(c2) entered blocking state
[   25.575686] br0: port 2(c2) entered disabled state
[   25.575757] c2: entered allmulticast mode
[   25.575837] c2: entered promiscuous mode
[   25.620014] br0: port 3(c3) entered blocking state
[   25.620111] br0: port 3(c3) entered disabled state
[   25.620185] c3: entered allmulticast mode
[   25.620279] c3: entered promiscuous mode
[   25.662728] br0: port 4(sender) entered blocking state
[   25.662797] br0: port 4(sender) entered disabled state
[   25.662864] sender: entered allmulticast mode
[   25.662940] sender: entered promiscuous mode
[   25.680848] br0: port 4(sender) entered blocking state
[   25.680902] br0: port 4(sender) entered forwarding state
[   25.680959] br0: port 3(c3) entered blocking state
[   25.681005] br0: port 3(c3) entered forwarding state
[   25.681058] br0: port 2(c2) entered blocking state
[   25.681103] br0: port 2(c2) entered forwarding state
[   25.681145] br0: port 1(c1) entered blocking state
[   25.681188] br0: port 1(c1) entered forwarding state
[   36.443127] br0: port 1(c1) entered disabled state
[   36.443388] c1 (unregistering): left allmulticast mode
[   36.443455] c1 (unregistering): left promiscuous mode
[   36.443501] br0: port 1(c1) entered disabled state
[   36.475128] br0: port 2(c2) entered disabled state
[   36.475327] c2 (unregistering): left allmulticast mode
[   36.475375] c2 (unregistering): left promiscuous mode
[   36.475412] br0: port 2(c2) entered disabled state
[   36.518167] br0: port 3(c3) entered disabled state
[   36.518443] c3 (unregistering): left allmulticast mode
[   36.518515] c3 (unregistering): left promiscuous mode
[   36.518571] br0: port 3(c3) entered disabled state
[   36.546233] br0: port 4(sender) entered disabled state
[   36.546436] sender (unregistering): left allmulticast mode
[   36.546490] sender (unregistering): left promiscuous mode
[   36.546530] br0: port 4(sender) entered disabled state