[  756.640427] br0: port 1(c1) entered blocking state
[  756.640536] br0: port 1(c1) entered disabled state
[  756.640616] c1: entered allmulticast mode
[  756.640719] c1: entered promiscuous mode
[  756.703122] br0: port 2(c2) entered blocking state
[  756.703206] br0: port 2(c2) entered disabled state
[  756.703290] c2: entered allmulticast mode
[  756.703386] c2: entered promiscuous mode
[  756.767585] br0: port 3(c3) entered blocking state
[  756.767702] br0: port 3(c3) entered disabled state
[  756.767805] c3: entered allmulticast mode
[  756.767907] c3: entered promiscuous mode
[  756.832905] br0: port 4(sender) entered blocking state
[  756.832980] br0: port 4(sender) entered disabled state
[  756.833048] sender: entered allmulticast mode
[  756.833150] sender: entered promiscuous mode
[  756.856101] br0: port 4(sender) entered blocking state
[  756.856197] br0: port 4(sender) entered forwarding state
[  756.856268] br0: port 3(c3) entered blocking state
[  756.856334] br0: port 3(c3) entered forwarding state
[  756.856403] br0: port 2(c2) entered blocking state
[  756.856465] br0: port 2(c2) entered forwarding state
[  756.856526] br0: port 1(c1) entered blocking state
[  756.856585] br0: port 1(c1) entered forwarding state
[  767.610160] br0: port 1(c1) entered disabled state
[  767.610977] c1 (unregistering): left allmulticast mode
[  767.611092] c1 (unregistering): left promiscuous mode
[  767.611140] br0: port 1(c1) entered disabled state
[  767.679176] br0: port 2(c2) entered disabled state
[  767.679637] c2 (unregistering): left allmulticast mode
[  767.679747] c2 (unregistering): left promiscuous mode
[  767.679826] br0: port 2(c2) entered disabled state
[  767.755223] br0: port 3(c3) entered disabled state
[  767.755715] c3 (unregistering): left allmulticast mode
[  767.755796] c3 (unregistering): left promiscuous mode
[  767.755852] br0: port 3(c3) entered disabled state
[  767.826167] br0: port 4(sender) entered disabled state
[  767.826579] sender (unregistering): left allmulticast mode
[  767.826640] sender (unregistering): left promiscuous mode
[  767.826690] br0: port 4(sender) entered disabled state