[  749.827490] br0: port 1(c1) entered blocking state
[  749.827564] br0: port 1(c1) entered disabled state
[  749.827629] c1: entered allmulticast mode
[  749.827704] c1: entered promiscuous mode
[  749.887791] br0: port 2(c2) entered blocking state
[  749.887879] br0: port 2(c2) entered disabled state
[  749.887959] c2: entered allmulticast mode
[  749.888052] c2: entered promiscuous mode
[  749.948792] br0: port 3(c3) entered blocking state
[  749.948857] br0: port 3(c3) entered disabled state
[  749.948930] c3: entered allmulticast mode
[  749.949021] c3: entered promiscuous mode
[  750.008269] br0: port 4(sender) entered blocking state
[  750.008339] br0: port 4(sender) entered disabled state
[  750.008424] sender: entered allmulticast mode
[  750.008519] sender: entered promiscuous mode
[  750.031654] br0: port 4(sender) entered blocking state
[  750.031738] br0: port 4(sender) entered forwarding state
[  750.031780] br0: port 3(c3) entered blocking state
[  750.031819] br0: port 3(c3) entered forwarding state
[  750.031856] br0: port 2(c2) entered blocking state
[  750.031897] br0: port 2(c2) entered forwarding state
[  750.031933] br0: port 1(c1) entered blocking state
[  750.031971] br0: port 1(c1) entered forwarding state
[  760.784932] br0: port 1(c1) entered disabled state
[  760.785268] c1 (unregistering): left allmulticast mode
[  760.785319] c1 (unregistering): left promiscuous mode
[  760.785360] br0: port 1(c1) entered disabled state
[  760.828588] br0: port 2(c2) entered disabled state
[  760.828951] c2 (unregistering): left allmulticast mode
[  760.829024] c2 (unregistering): left promiscuous mode
[  760.829066] br0: port 2(c2) entered disabled state
[  760.876635] br0: port 3(c3) entered disabled state
[  760.876975] c3 (unregistering): left allmulticast mode
[  760.877060] c3 (unregistering): left promiscuous mode
[  760.877119] br0: port 3(c3) entered disabled state
[  760.921533] br0: port 4(sender) entered disabled state
[  760.921806] sender (unregistering): left allmulticast mode
[  760.921882] sender (unregistering): left promiscuous mode
[  760.921942] br0: port 4(sender) entered disabled state