[  474.177364] ip (7042) used greatest stack depth: 12120 bytes left
[  474.263238] br0: port 1(c1) entered blocking state
[  474.263347] br0: port 1(c1) entered disabled state
[  474.263415] c1: entered allmulticast mode
[  474.263495] c1: entered promiscuous mode
[  474.313165] br0: port 2(c2) entered blocking state
[  474.313228] br0: port 2(c2) entered disabled state
[  474.313294] c2: entered allmulticast mode
[  474.313373] c2: entered promiscuous mode
[  474.362420] br0: port 3(c3) entered blocking state
[  474.362522] br0: port 3(c3) entered disabled state
[  474.362590] c3: entered allmulticast mode
[  474.362675] c3: entered promiscuous mode
[  474.411841] br0: port 4(sender) entered blocking state
[  474.411914] br0: port 4(sender) entered disabled state
[  474.411977] sender: entered allmulticast mode
[  474.412079] sender: entered promiscuous mode
[  474.431148] br0: port 4(sender) entered blocking state
[  474.431221] br0: port 4(sender) entered forwarding state
[  474.431288] br0: port 3(c3) entered blocking state
[  474.431351] br0: port 3(c3) entered forwarding state
[  474.431415] br0: port 2(c2) entered blocking state
[  474.431467] br0: port 2(c2) entered forwarding state
[  474.431507] br0: port 1(c1) entered blocking state
[  474.431547] br0: port 1(c1) entered forwarding state
[  485.136452] br0: port 1(c1) entered disabled state
[  485.136732] c1 (unregistering): left allmulticast mode
[  485.136822] c1 (unregistering): left promiscuous mode
[  485.136885] br0: port 1(c1) entered disabled state
[  485.168441] br0: port 2(c2) entered disabled state
[  485.168695] c2 (unregistering): left allmulticast mode
[  485.168749] c2 (unregistering): left promiscuous mode
[  485.168804] br0: port 2(c2) entered disabled state
[  485.202427] br0: port 3(c3) entered disabled state
[  485.202719] c3 (unregistering): left allmulticast mode
[  485.202778] c3 (unregistering): left promiscuous mode
[  485.202832] br0: port 3(c3) entered disabled state
[  485.236444] br0: port 4(sender) entered disabled state
[  485.236713] sender (unregistering): left allmulticast mode
[  485.236760] sender (unregistering): left promiscuous mode
[  485.236809] br0: port 4(sender) entered disabled state