[   11.219176] br0: port 1(c1) entered blocking state
[   11.219225] br0: port 1(c1) entered disabled state
[   11.219265] c1: entered allmulticast mode
[   11.219313] c1: entered promiscuous mode
[   11.226708] ip (1904) used greatest stack depth: 12256 bytes left
[   11.236021] br0: port 2(c2) entered blocking state
[   11.236069] br0: port 2(c2) entered disabled state
[   11.236107] c2: entered allmulticast mode
[   11.236150] c2: entered promiscuous mode
[   11.243569] ip (1909) used greatest stack depth: 11992 bytes left
[   11.252847] br0: port 3(c3) entered blocking state
[   11.252880] br0: port 3(c3) entered disabled state
[   11.252920] c3: entered allmulticast mode
[   11.252965] c3: entered promiscuous mode
[   11.269515] br0: port 4(sender) entered blocking state
[   11.269547] br0: port 4(sender) entered disabled state
[   11.269589] sender: entered allmulticast mode
[   11.269643] sender: entered promiscuous mode
[   11.276195] br0: port 4(sender) entered blocking state
[   11.276227] br0: port 4(sender) entered forwarding state
[   11.276263] br0: port 3(c3) entered blocking state
[   11.276297] br0: port 3(c3) entered forwarding state
[   11.276327] br0: port 2(c2) entered blocking state
[   11.276356] br0: port 2(c2) entered forwarding state
[   11.276391] br0: port 1(c1) entered blocking state
[   11.276426] br0: port 1(c1) entered forwarding state
[   21.962633] br0: port 1(c1) entered disabled state
[   21.962844] c1 (unregistering): left allmulticast mode
[   21.962882] c1 (unregistering): left promiscuous mode
[   21.962925] br0: port 1(c1) entered disabled state
[   21.978031] br0: port 2(c2) entered disabled state
[   21.978208] c2 (unregistering): left allmulticast mode
[   21.978243] c2 (unregistering): left promiscuous mode
[   21.978277] br0: port 2(c2) entered disabled state
[   21.992040] br0: port 3(c3) entered disabled state
[   21.992189] c3 (unregistering): left allmulticast mode
[   21.992228] c3 (unregistering): left promiscuous mode
[   21.992261] br0: port 3(c3) entered disabled state
[   22.011986] sender: left allmulticast mode
[   22.012045] sender: left promiscuous mode
[   22.012079] br0: port 4(sender) entered disabled state