[   53.122144] ip (2047) used greatest stack depth: 12168 bytes left
[   53.384708] br0: port 1(c1) entered blocking state
[   53.384770] br0: port 1(c1) entered disabled state
[   53.384821] c1: entered allmulticast mode
[   53.384897] c1: entered promiscuous mode
[   53.430013] br0: port 2(c2) entered blocking state
[   53.430064] br0: port 2(c2) entered disabled state
[   53.430113] c2: entered allmulticast mode
[   53.430174] c2: entered promiscuous mode
[   53.471928] br0: port 3(c3) entered blocking state
[   53.471984] br0: port 3(c3) entered disabled state
[   53.472032] c3: entered allmulticast mode
[   53.472091] c3: entered promiscuous mode
[   53.516695] br0: port 4(sender) entered blocking state
[   53.516756] br0: port 4(sender) entered disabled state
[   53.516803] sender: entered allmulticast mode
[   53.516885] sender: entered promiscuous mode
[   53.534216] br0: port 4(sender) entered blocking state
[   53.534274] br0: port 4(sender) entered forwarding state
[   53.534310] br0: port 3(c3) entered blocking state
[   53.534349] br0: port 3(c3) entered forwarding state
[   53.534385] br0: port 2(c2) entered blocking state
[   53.534422] br0: port 2(c2) entered forwarding state
[   53.534459] br0: port 1(c1) entered blocking state
[   53.534495] br0: port 1(c1) entered forwarding state
[   64.270938] br0: port 1(c1) entered disabled state
[   64.271167] c1 (unregistering): left allmulticast mode
[   64.271222] c1 (unregistering): left promiscuous mode
[   64.271294] br0: port 1(c1) entered disabled state
[   64.301007] br0: port 2(c2) entered disabled state
[   64.301421] c2 (unregistering): left allmulticast mode
[   64.301498] c2 (unregistering): left promiscuous mode
[   64.301565] br0: port 2(c2) entered disabled state
[   64.339930] br0: port 3(c3) entered disabled state
[   64.340143] c3 (unregistering): left allmulticast mode
[   64.340187] c3 (unregistering): left promiscuous mode
[   64.340227] br0: port 3(c3) entered disabled state
[   64.370921] br0: port 4(sender) entered disabled state
[   64.371235] sender (unregistering): left allmulticast mode
[   64.371287] sender (unregistering): left promiscuous mode
[   64.371322] br0: port 4(sender) entered disabled state