[  637.908564] br0: port 1(c1) entered blocking state
[  637.908624] br0: port 1(c1) entered disabled state
[  637.908695] c1: entered allmulticast mode
[  637.908761] c1: entered promiscuous mode
[  637.957848] br0: port 2(c2) entered blocking state
[  637.957948] br0: port 2(c2) entered disabled state
[  637.958016] c2: entered allmulticast mode
[  637.958094] c2: entered promiscuous mode
[  638.008684] br0: port 3(c3) entered blocking state
[  638.008750] br0: port 3(c3) entered disabled state
[  638.008806] c3: entered allmulticast mode
[  638.008876] c3: entered promiscuous mode
[  638.058520] br0: port 4(sender) entered blocking state
[  638.058581] br0: port 4(sender) entered disabled state
[  638.058643] sender: entered allmulticast mode
[  638.058719] sender: entered promiscuous mode
[  638.077046] br0: port 4(sender) entered blocking state
[  638.077100] br0: port 4(sender) entered forwarding state
[  638.077157] br0: port 3(c3) entered blocking state
[  638.077205] br0: port 3(c3) entered forwarding state
[  638.077250] br0: port 2(c2) entered blocking state
[  638.077290] br0: port 2(c2) entered forwarding state
[  638.077334] br0: port 1(c1) entered blocking state
[  638.077374] br0: port 1(c1) entered forwarding state
[  648.797139] br0: port 1(c1) entered disabled state
[  648.797472] c1 (unregistering): left allmulticast mode
[  648.797531] c1 (unregistering): left promiscuous mode
[  648.797576] br0: port 1(c1) entered disabled state
[  648.830029] br0: port 2(c2) entered disabled state
[  648.830290] c2 (unregistering): left allmulticast mode
[  648.830347] c2 (unregistering): left promiscuous mode
[  648.830396] br0: port 2(c2) entered disabled state
[  648.887035] br0: port 3(c3) entered disabled state
[  648.887254] c3 (unregistering): left allmulticast mode
[  648.887347] c3 (unregistering): left promiscuous mode
[  648.887412] br0: port 3(c3) entered disabled state
[  648.909988] sender: left allmulticast mode
[  648.910089] sender: left promiscuous mode
[  648.910157] br0: port 4(sender) entered disabled state