[  740.016629] br0: port 1(c1) entered blocking state
[  740.016706] br0: port 1(c1) entered disabled state
[  740.016768] c1: entered allmulticast mode
[  740.016856] c1: entered promiscuous mode
[  740.068516] br0: port 2(c2) entered blocking state
[  740.068610] br0: port 2(c2) entered disabled state
[  740.068683] c2: entered allmulticast mode
[  740.068781] c2: entered promiscuous mode
[  740.119497] br0: port 3(c3) entered blocking state
[  740.119603] br0: port 3(c3) entered disabled state
[  740.119705] c3: entered allmulticast mode
[  740.119800] c3: entered promiscuous mode
[  740.170924] br0: port 4(sender) entered blocking state
[  740.170979] br0: port 4(sender) entered disabled state
[  740.171039] sender: entered allmulticast mode
[  740.171144] sender: entered promiscuous mode
[  740.189273] br0: port 4(sender) entered blocking state
[  740.189343] br0: port 4(sender) entered forwarding state
[  740.189402] br0: port 3(c3) entered blocking state
[  740.189457] br0: port 3(c3) entered forwarding state
[  740.189511] br0: port 2(c2) entered blocking state
[  740.189558] br0: port 2(c2) entered forwarding state
[  740.189612] br0: port 1(c1) entered blocking state
[  740.189665] br0: port 1(c1) entered forwarding state
[  750.959525] br0: port 1(c1) entered disabled state
[  750.959841] c1 (unregistering): left allmulticast mode
[  750.959911] c1 (unregistering): left promiscuous mode
[  750.959956] br0: port 1(c1) entered disabled state
[  751.003545] br0: port 2(c2) entered disabled state
[  751.003893] c2 (unregistering): left allmulticast mode
[  751.003963] c2 (unregistering): left promiscuous mode
[  751.004017] br0: port 2(c2) entered disabled state
[  751.042509] br0: port 3(c3) entered disabled state
[  751.042788] c3 (unregistering): left allmulticast mode
[  751.042841] c3 (unregistering): left promiscuous mode
[  751.042888] br0: port 3(c3) entered disabled state
[  751.091485] br0: port 4(sender) entered disabled state
[  751.091732] sender (unregistering): left allmulticast mode
[  751.091812] sender (unregistering): left promiscuous mode
[  751.091864] br0: port 4(sender) entered disabled state