[   25.063767] ip (2049) used greatest stack depth: 12216 bytes left
[   25.278617] br0: port 1(c1) entered blocking state
[   25.278679] br0: port 1(c1) entered disabled state
[   25.278730] c1: entered allmulticast mode
[   25.278791] c1: entered promiscuous mode
[   25.316051] br0: port 2(c2) entered blocking state
[   25.316228] br0: port 2(c2) entered disabled state
[   25.316283] c2: entered allmulticast mode
[   25.316360] c2: entered promiscuous mode
[   25.355608] br0: port 3(c3) entered blocking state
[   25.355693] br0: port 3(c3) entered disabled state
[   25.355754] c3: entered allmulticast mode
[   25.355828] c3: entered promiscuous mode
[   25.395048] br0: port 4(sender) entered blocking state
[   25.395107] br0: port 4(sender) entered disabled state
[   25.395162] sender: entered allmulticast mode
[   25.395237] sender: entered promiscuous mode
[   25.409964] br0: port 4(sender) entered blocking state
[   25.410013] br0: port 4(sender) entered forwarding state
[   25.410056] br0: port 3(c3) entered blocking state
[   25.410095] br0: port 3(c3) entered forwarding state
[   25.410139] br0: port 2(c2) entered blocking state
[   25.410179] br0: port 2(c2) entered forwarding state
[   25.410215] br0: port 1(c1) entered blocking state
[   25.410253] br0: port 1(c1) entered forwarding state
[   36.130300] br0: port 1(c1) entered disabled state
[   36.130722] c1 (unregistering): left allmulticast mode
[   36.130784] c1 (unregistering): left promiscuous mode
[   36.130825] br0: port 1(c1) entered disabled state
[   36.164305] br0: port 2(c2) entered disabled state
[   36.164660] c2 (unregistering): left allmulticast mode
[   36.164732] c2 (unregistering): left promiscuous mode
[   36.164773] br0: port 2(c2) entered disabled state
[   36.198254] br0: port 3(c3) entered disabled state
[   36.198625] c3 (unregistering): left allmulticast mode
[   36.198687] c3 (unregistering): left promiscuous mode
[   36.198727] br0: port 3(c3) entered disabled state
[   36.233344] br0: port 4(sender) entered disabled state
[   36.233646] sender (unregistering): left allmulticast mode
[   36.233693] sender (unregistering): left promiscuous mode
[   36.233734] br0: port 4(sender) entered disabled state