[   11.372236] br0: port 1(c1) entered blocking state
[   11.372272] br0: port 1(c1) entered disabled state
[   11.372295] c1: entered allmulticast mode
[   11.372332] c1: entered promiscuous mode
[   11.380184] ip (1906) used greatest stack depth: 12216 bytes left
[   11.390114] br0: port 2(c2) entered blocking state
[   11.390143] br0: port 2(c2) entered disabled state
[   11.390165] c2: entered allmulticast mode
[   11.390196] c2: entered promiscuous mode
[   11.407924] br0: port 3(c3) entered blocking state
[   11.407949] br0: port 3(c3) entered disabled state
[   11.407971] c3: entered allmulticast mode
[   11.408008] c3: entered promiscuous mode
[   11.426060] br0: port 4(sender) entered blocking state
[   11.426090] br0: port 4(sender) entered disabled state
[   11.426111] sender: entered allmulticast mode
[   11.426151] sender: entered promiscuous mode
[   11.433067] br0: port 4(sender) entered blocking state
[   11.433095] br0: port 4(sender) entered forwarding state
[   11.433115] br0: port 3(c3) entered blocking state
[   11.433132] br0: port 3(c3) entered forwarding state
[   11.433153] br0: port 2(c2) entered blocking state
[   11.433169] br0: port 2(c2) entered forwarding state
[   11.433191] br0: port 1(c1) entered blocking state
[   11.433207] br0: port 1(c1) entered forwarding state
[   22.123098] br0: port 1(c1) entered disabled state
[   22.123315] c1 (unregistering): left allmulticast mode
[   22.123355] c1 (unregistering): left promiscuous mode
[   22.123386] br0: port 1(c1) entered disabled state
[   22.137229] br0: port 2(c2) entered disabled state
[   22.137436] c2 (unregistering): left allmulticast mode
[   22.137477] c2 (unregistering): left promiscuous mode
[   22.137515] br0: port 2(c2) entered disabled state
[   22.150977] br0: port 3(c3) entered disabled state
[   22.151211] c3 (unregistering): left allmulticast mode
[   22.151255] c3 (unregistering): left promiscuous mode
[   22.151285] br0: port 3(c3) entered disabled state
[   22.164533] br0: port 4(sender) entered disabled state
[   22.164750] sender (unregistering): left allmulticast mode
[   22.164793] sender (unregistering): left promiscuous mode
[   22.164818] br0: port 4(sender) entered disabled state