[  751.620266] ip (12181) used greatest stack depth: 12072 bytes left
[  751.917929] br0: port 1(c1) entered blocking state
[  751.918039] br0: port 1(c1) entered disabled state
[  751.918108] c1: entered allmulticast mode
[  751.918190] c1: entered promiscuous mode
[  751.980919] br0: port 2(c2) entered blocking state
[  751.981037] br0: port 2(c2) entered disabled state
[  751.981117] c2: entered allmulticast mode
[  751.981194] c2: entered promiscuous mode
[  752.046775] br0: port 3(c3) entered blocking state
[  752.046854] br0: port 3(c3) entered disabled state
[  752.046932] c3: entered allmulticast mode
[  752.047007] c3: entered promiscuous mode
[  752.110641] br0: port 4(sender) entered blocking state
[  752.110716] br0: port 4(sender) entered disabled state
[  752.110793] sender: entered allmulticast mode
[  752.110892] sender: entered promiscuous mode
[  752.137462] br0: port 4(sender) entered blocking state
[  752.137582] br0: port 4(sender) entered forwarding state
[  752.137644] br0: port 3(c3) entered blocking state
[  752.137703] br0: port 3(c3) entered forwarding state
[  752.137752] br0: port 2(c2) entered blocking state
[  752.137818] br0: port 2(c2) entered forwarding state
[  752.137873] br0: port 1(c1) entered blocking state
[  752.137940] br0: port 1(c1) entered forwarding state
[  762.951135] br0: port 1(c1) entered disabled state
[  762.951473] c1 (unregistering): left allmulticast mode
[  762.951597] c1 (unregistering): left promiscuous mode
[  762.951666] br0: port 1(c1) entered disabled state
[  763.017149] br0: port 2(c2) entered disabled state
[  763.017567] c2 (unregistering): left allmulticast mode
[  763.017700] c2 (unregistering): left promiscuous mode
[  763.017768] br0: port 2(c2) entered disabled state
[  763.083172] br0: port 3(c3) entered disabled state
[  763.083606] c3 (unregistering): left allmulticast mode
[  763.083748] c3 (unregistering): left promiscuous mode
[  763.083805] br0: port 3(c3) entered disabled state
[  763.135144] br0: port 4(sender) entered disabled state
[  763.135571] sender (unregistering): left allmulticast mode
[  763.135675] sender (unregistering): left promiscuous mode
[  763.135752] br0: port 4(sender) entered disabled state