[  450.997427] br0: port 1(c1) entered blocking state
[  450.997496] br0: port 1(c1) entered disabled state
[  450.997568] c1: entered allmulticast mode
[  450.997653] c1: entered promiscuous mode
[  451.049276] br0: port 2(c2) entered blocking state
[  451.049342] br0: port 2(c2) entered disabled state
[  451.049388] c2: entered allmulticast mode
[  451.049469] c2: entered promiscuous mode
[  451.098575] br0: port 3(c3) entered blocking state
[  451.098659] br0: port 3(c3) entered disabled state
[  451.098712] c3: entered allmulticast mode
[  451.098794] c3: entered promiscuous mode
[  451.148021] br0: port 4(sender) entered blocking state
[  451.148090] br0: port 4(sender) entered disabled state
[  451.148147] sender: entered allmulticast mode
[  451.148238] sender: entered promiscuous mode
[  451.169323] br0: port 4(sender) entered blocking state
[  451.169400] br0: port 4(sender) entered forwarding state
[  451.169468] br0: port 3(c3) entered blocking state
[  451.169532] br0: port 3(c3) entered forwarding state
[  451.169593] br0: port 2(c2) entered blocking state
[  451.169650] br0: port 2(c2) entered forwarding state
[  451.169710] br0: port 1(c1) entered blocking state
[  451.169763] br0: port 1(c1) entered forwarding state
[  461.891717] br0: port 1(c1) entered disabled state
[  461.892013] c1 (unregistering): left allmulticast mode
[  461.892064] c1 (unregistering): left promiscuous mode
[  461.892124] br0: port 1(c1) entered disabled state
[  461.934687] br0: port 2(c2) entered disabled state
[  461.935006] c2 (unregistering): left allmulticast mode
[  461.935081] c2 (unregistering): left promiscuous mode
[  461.935144] br0: port 2(c2) entered disabled state
[  461.977655] br0: port 3(c3) entered disabled state
[  461.977977] c3 (unregistering): left allmulticast mode
[  461.978035] c3 (unregistering): left promiscuous mode
[  461.978074] br0: port 3(c3) entered disabled state
[  462.004685] br0: port 4(sender) entered disabled state
[  462.004964] sender (unregistering): left allmulticast mode
[  462.005017] sender (unregistering): left promiscuous mode
[  462.005055] br0: port 4(sender) entered disabled state